arch: arm: soc: remove core zephyr header inclusions from soc.h

This commit removes the direct inclusions of device.h or gpio.h
from soc.h header files in ARM SOCs, to avoid soc.h include
kernel.h.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>

arch/arm/soc/st_stm32/stm32l4/soc.h

@@ -22,8 +22,8 @@
 #ifndef _ASMLANGUAGE
 
 #include <autoconf.h>
-#include <device.h>
 #include <stm32l4xx.h>
+#include <kernel_includes.h>
 
 #define GPIO_REG_SIZE         0x400
 /* base address for where GPIO registers start */