soc: arm: nuvoton_npcx: make soc_*.h headers self-contained

Almost none of the soc_*.h headers were self-contained. This patch adds
all necessary includes to improve the situation.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>

soc/arm/nuvoton_npcx/common/reg/reg_def.h

@@ -7,6 +7,12 @@
 #ifndef _NUVOTON_NPCX_REG_DEF_H
 #define _NUVOTON_NPCX_REG_DEF_H
 
+#include <stdint.h>
+
+#include <sys/__assert.h>
+#include <sys/util_macro.h>
+#include <toolchain.h>
+
 /*
  * NPCX register structure size/offset checking macro function to mitigate
  * the risk of unexpected compiling results. All addresses of NPCX registers

soc/arm/nuvoton_npcx/common/soc_clock.h

@@ -7,6 +7,11 @@
 #ifndef _NUVOTON_NPCX_SOC_CLOCK_H_
 #define _NUVOTON_NPCX_SOC_CLOCK_H_
 
+#include <stdbool.h>
+#include <stdint.h>
+
+#include <devicetree.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif

soc/arm/nuvoton_npcx/common/soc_dt.h

@@ -7,6 +7,10 @@
 #ifndef _NUVOTON_NPCX_SOC_DT_H_
 #define _NUVOTON_NPCX_SOC_DT_H_
 
+#include <devicetree.h>
+#include <irq.h>
+#include <sys/util_macro.h>
+
 /**
  * @brief Like DT_PROP(), but expand parameters with
  *        DT_ENUM_UPPER_TOKEN not DT_PROP

soc/arm/nuvoton_npcx/common/soc_espi.h

@@ -8,7 +8,6 @@
 #define _NUVOTON_NPCX_SOC_ESPI_H_
 
 #include <device.h>
-#include <sys/util.h>
 
 #ifdef __cplusplus
 extern "C" {

soc/arm/nuvoton_npcx/common/soc_gpio.h

@@ -7,6 +7,8 @@
 #ifndef _NUVOTON_NPCX_SOC_GPIO_H_
 #define _NUVOTON_NPCX_SOC_GPIO_H_
 
+#include <device.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif

soc/arm/nuvoton_npcx/common/soc_host.h

@@ -7,6 +7,12 @@
 #ifndef _NUVOTON_NPCX_SOC_HOST_H_
 #define _NUVOTON_NPCX_SOC_HOST_H_
 
+#include <stdint.h>
+
+#include <device.h>
+#include <drivers/espi.h>
+#include <sys/slist.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif

soc/arm/nuvoton_npcx/common/soc_miwu.h

@@ -7,6 +7,11 @@
 #ifndef _NUVOTON_NPCX_SOC_MIWU_H_
 #define _NUVOTON_NPCX_SOC_MIWU_H_
 
+#include <stdint.h>
+
+#include <device.h>
+#include <drivers/gpio.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif

soc/arm/nuvoton_npcx/common/soc_pins.h

@@ -7,6 +7,10 @@
 #ifndef _NUVOTON_NPCX_SOC_PINS_H_
 #define _NUVOTON_NPCX_SOC_PINS_H_
 
+#include <stdint.h>
+
+#include "reg/reg_def.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif