armv8m: Add MCX N94x target, fix armv8m build

JIRA: RTOS-881

hal/armv8m/Makefile

@@ -10,4 +10,9 @@ ifneq (, $(findstring nrf, $(TARGET_SUBFAMILY)))
     CFLAGS += -Ihal/armv8m
 endif
 
+ifneq (, $(findstring mcx, $(TARGET_SUBFAMILY)))
+    include hal/armv8m/mcx/Makefile
+    CFLAGS += -Ihal/armv8m
+endif
+
 OBJS += $(addprefix $(PREFIX_O)hal/armv8m/, string.o spinlock.o cpu.o hal.o pmap.o exceptions.o _memcpy.o _memset.o)

hal/armv8m/arch/cpu.h

@@ -16,11 +16,6 @@
 #ifndef _HAL_ARMV8M_CPU_H_
 #define _HAL_ARMV8M_CPU_H_
 
-
-#if defined(__CPU_NRF9160)
-#define CPU_NRF91
-#endif
-
 #include "hal/types.h"
 
 #define SIZE_PAGE 0x200

hal/armv8m/cpu.c

@@ -182,8 +182,10 @@ char *hal_cpuInfo(char *info)
 	int i;
 	unsigned int cpuinfo;
 
-#ifdef CPU_NRF91
+#if defined(__CPU_NRF9160)
 	cpuinfo = _nrf91_cpuid();
+#elif defined(__CPU_MCXN94X)
+	cpuinfo = _mcxn94x_cpuid();
 #else
 	hal_strcpy(info, "unknown");
 	return info;

hal/armv8m/mcx/Makefile

@@ -0,0 +1,12 @@
+#
+# Makefile for Phoenix-RTOS kernel (ARMv8 HAL)
+#
+# Copyright 2016-2017, 2019-2020, 2022, 2024 Phoenix Systems
+#
+
+
+ifneq (, $(findstring mcxn94x, $(TARGET_SUBFAMILY)))
+    include hal/armv8m/mcx/n94x/Makefile
+endif
+
+OBJS += $(addprefix $(PREFIX_O)hal/armv8m/mcx/, _init.o interrupts.o)