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diff --git a/lib/chibios-contrib/ext/mcux-sdk/devices/MIMX8UX5/system_MIMX8UX5_cm4.h b/lib/chibios-contrib/ext/mcux-sdk/devices/MIMX8UX5/system_MIMX8UX5_cm4.h
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index 000000000..0ac0e0da4
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+++ b/lib/chibios-contrib/ext/mcux-sdk/devices/MIMX8UX5/system_MIMX8UX5_cm4.h
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+/*
+** ###################################################################
+**     Processors:          MIMX8UX5AVLFZ
+**                          MIMX8UX5AVOFZ
+**                          MIMX8UX5CVLDZ
+**
+**     Compilers:           GNU C Compiler
+**                          IAR ANSI C/C++ Compiler for ARM
+**                          Keil ARM C/C++ Compiler
+**
+**     Reference manual:    IMX8DQXPRM, Rev. E, 6/2019
+**     Version:             rev. 4.0, 2020-06-19
+**     Build:               b200806
+**
+**     Abstract:
+**         Provides a system configuration function and a global variable that
+**         contains the system frequency. It configures the device and initializes
+**         the oscillator (PLL) that is part of the microcontroller device.
+**
+**     Copyright 2016 Freescale Semiconductor, Inc.
+**     Copyright 2016-2020 NXP
+**     All rights reserved.
+**
+**     SPDX-License-Identifier: BSD-3-Clause
+**
+**     http:                 www.nxp.com
+**     mail:                 [email protected]
+**
+**     Revisions:
+**     - rev. 1.0 (2016-06-02)
+**         Initial version.
+**     - rev. 2.0 (2017-08-23)
+**         RevA Header EAR
+**     - rev. 3.0 (2018-08-22)
+**         RevB Header EAR
+**     - rev. 4.0 (2020-06-19)
+**         RevC Header RFP
+**
+** ###################################################################
+*/
+
+/*!
+ * @file MIMX8UX5_cm4
+ * @version 1.0
+ * @date 060820
+ * @brief Device specific configuration file for MIMX8UX5_cm4 (header file)
+ *
+ * Provides a system configuration function and a global variable that contains
+ * the system frequency. It configures the device and initializes the oscillator
+ * (PLL) that is part of the microcontroller device.
+ */
+#ifndef _SYSTEM_MIMX8UX5_CM4_H_
+#define _SYSTEM_MIMX8UX5_CM4_H_                    /**< Symbol preventing repeated inclusion */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include "main/rpc.h"
+#include "svc/pm/pm_api.h"
+
+#ifndef DISABLE_WDOG
+  #define DISABLE_WDOG  1
+#endif
+
+/**
+ * When downloading/debuging with Debugger, the Parity/ECC error check is disabled by debugger.
+ * Define ENABLE_ECC_DEBUG to non-zero value to re-enable the check during debugging.
+ */
+#ifndef ENABLE_ECC_DEBUG
+  #define ENABLE_ECC_DEBUG 0
+#endif
+
+#define DEFAULT_SYSTEM_CLOCK           264000000u            /* Default System clock value */
+
+/**
+ * @brief System clock frequency (core clock)
+ *
+ * The system clock frequency supplied to the SysTick timer and the processor
+ * core clock. This variable can be used by the user application to setup the
+ * SysTick timer or configure other parameters. It may also be used by debugger to
+ * query the frequency of the debug timer or configure the trace clock speed
+ * SystemCoreClock is initialized with a correct predefined value.
+ */
+extern uint32_t SystemCoreClock;
+
+/**
+ * @brief Setup the microcontroller system.
+ *
+ * Typically this function configures the oscillator (PLL) that is part of the
+ * microcontroller device. For systems with variable clock speed it also updates
+ * the variable SystemCoreClock. SystemInit is called from startup_device file.
+ */
+void SystemInit (void);
+
+/**
+ * @brief Updates the SystemCoreClock variable.
+ *
+ * It must be called whenever the core clock is changed during program
+ * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
+ * the current core clock.
+ */
+void SystemCoreClockUpdate (void);
+
+/**
+ * @brief Open the SCFW IPC channel.
+ *
+ * Typically this function opens the IPC channel between current Subsystem and SCU.
+ * This function uses SCFW API to initialize the MU channel.  SystemInitScfwIpc should
+ * be called before using SCFW API.
+ */
+void SystemInitScfwIpc (void);
+
+/**
+ * @brief Get the SCFW IPC handle.
+ *
+ * This function gets the IPC handle which could be used to communicate with SCFW.
+ * SystemGetScfwIpcHandle should be called after SCFW IPC channel is initialized.
+ */
+sc_ipc_t SystemGetScfwIpcHandle (void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* _SYSTEM_MIMX8UX5_CM4_H_ */