include: arch: arm: Remove aarch32 directory

This commit follows the parent commit work.

This commit introduces the following major changes.

  1. Move all directories and files in 'include/zephyr/arch/arm/aarch32'
    to the 'include/zephyr/arch/arm' directory.

  2. Change the path string which is influenced by the changement 1.

Signed-off-by: Huifeng Zhang <Huifeng.Zhang@arm.com>

drivers/interrupt_controller/intc_vim.c

@@ -8,7 +8,7 @@
 
 #include <stdint.h>
 
-#include <zephyr/arch/arm/aarch32/irq.h>
+#include <zephyr/arch/arm/irq.h>
 #include <zephyr/arch/cpu.h>
 #include <zephyr/devicetree.h>
 #include <zephyr/drivers/interrupt_controller/intc_vim.h>

drivers/watchdog/wdt_cmsdk_apb.c

@@ -12,7 +12,7 @@
 
 #include <errno.h>
 #include <soc.h>
-#include <zephyr/arch/arm/aarch32/nmi.h>
+#include <zephyr/arch/arm/nmi.h>
 #include <zephyr/drivers/watchdog.h>
 #include <zephyr/sys/printk.h>
 #include <zephyr/sys/reboot.h>

drivers/watchdog/wdt_smartbond.c

@@ -5,7 +5,7 @@
  */
 
 #include <soc.h>
-#include <zephyr/arch/arm/aarch32/nmi.h>
+#include <zephyr/arch/arm/nmi.h>
 #include <zephyr/kernel.h>
 #include <zephyr/drivers/watchdog.h>
 #include <zephyr/logging/log.h>