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diff --git a/lib/chibios-contrib/ext/mcux-sdk/devices/K32L2B21A/system_K32L2B21A.h b/lib/chibios-contrib/ext/mcux-sdk/devices/K32L2B21A/system_K32L2B21A.h
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+/*
+** ###################################################################
+**     Processors:          K32L2B21VFM0A
+**                          K32L2B21VFT0A
+**                          K32L2B21VLH0A
+**                          K32L2B21VMP0A
+**
+**     Compilers:           Freescale C/C++ for Embedded ARM
+**                          GNU C Compiler
+**                          IAR ANSI C/C++ Compiler for ARM
+**                          Keil ARM C/C++ Compiler
+**                          MCUXpresso Compiler
+**
+**     Reference manual:    K32L2B3xRM, Rev.0, July 2019
+**     Version:             rev. 1.0, 2019-07-30
+**     Build:               b190925
+**
+**     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 2016-2019 NXP
+**     All rights reserved.
+**
+**     SPDX-License-Identifier: BSD-3-Clause
+**
+**     http:                 www.nxp.com
+**     mail:                 [email protected]
+**
+**     Revisions:
+**     - rev. 1.0 (2019-07-30)
+**         Initial version.
+**
+** ###################################################################
+*/
+
+/*!
+ * @file K32L2B21A
+ * @version 1.0
+ * @date 2019-07-30
+ * @brief Device specific configuration file for K32L2B21A (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_K32L2B21A_H_
+#define _SYSTEM_K32L2B21A_H_ /**< Symbol preventing repeated inclusion */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+#ifndef DISABLE_WDOG
+#define DISABLE_WDOG 1
+#endif
+
+#define ACK_ISOLATION 1
+
+/* Define clock source values */
+
+#define CPU_XTAL_CLK_HZ 32768u        /* Value of the external crystal or oscillator clock frequency in Hz */
+#define CPU_INT_FAST_CLK_HZ 48000000u /* Value of the fast internal oscillator clock frequency in Hz  */
+#define CPU_INT_IRC_CLK_HZ 48000000u  /* Value of the 48M internal oscillator clock frequency in Hz  */
+
+/* Low power mode enable */
+/* SMC_PMPROT: AVLP=1,AVLLS=1 */
+#define SYSTEM_SMC_PMPROT_VALUE 0x2Au /* SMC_PMPROT */
+
+#define DEFAULT_SYSTEM_CLOCK 8000000u /* Default System clock value */
+#define CPU_INT_SLOW_CLK_HZ 8000000u  /* Value of the slow internal oscillator clock frequency in Hz  */
+
+/**
+ * @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 SystemInit function hook.
+ *
+ * This weak function allows to call specific initialization code during the
+ * SystemInit() execution.This can be used when an application specific code needs
+ * to be called as close to the reset entry as possible (for example the Multicore
+ * Manager MCMGR_EarlyInit() function call).
+ * NOTE: No global r/w variables can be used in this hook function because the
+ * initialization of these variables happens after this function.
+ */
+void SystemInitHook(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYSTEM_K32L2B21A_H_ */