arch/x86: move include/arch/x86/segmentation.h to ia32/segmentation.h

This header is currently IA32-specific, so move it into the subarch
directory and update references to it.

Signed-off-by: Charles E. Youse <charles.youse@intel.com>

arch/x86/core/ia32/fatal.c

@@ -18,7 +18,7 @@
 #include <kernel_structs.h>
 #include <sys/printk.h>
 #include <arch/x86/irq_controller.h>
-#include <arch/x86/segmentation.h>
+#include <arch/x86/ia32/segmentation.h>
 #include <exception.h>
 #include <inttypes.h>
 #include <exc_handle.h>

arch/x86/core/ia32/irq_manage.c

@@ -22,7 +22,7 @@
 #include <irq.h>
 #include <debug/tracing.h>
 #include <kswap.h>
-#include <arch/x86/segmentation.h>
+#include <arch/x86/ia32/segmentation.h>
 
 extern void z_SpuriousIntHandler(void *handler);
 extern void z_SpuriousIntNoErrCodeHandler(void *handler);

include/arch/x86/ia32/arch.h

@@ -26,7 +26,7 @@
 #ifndef _ASMLANGUAGE
 #include <arch/x86/asm_inline.h>
 #include <arch/common/addr_types.h>
-#include <arch/x86/segmentation.h>
+#include <arch/x86/ia32/segmentation.h>
 #endif
 
 #ifdef __cplusplus

include/arch/x86/ia32/segmentation.h

@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#ifndef ZEPHYR_INCLUDE_ARCH_X86_SEGMENTATION_H_
-#define ZEPHYR_INCLUDE_ARCH_X86_SEGMENTATION_H_
+#ifndef ZEPHYR_INCLUDE_ARCH_X86_IA32_SEGMENTATION_H_
+#define ZEPHYR_INCLUDE_ARCH_X86_IA32_SEGMENTATION_H_
 
 #include <zephyr/types.h>
 
@@ -549,4 +549,4 @@ static inline u16_t _get_ds(void)
 }
 #endif
 
-#endif /* ZEPHYR_INCLUDE_ARCH_X86_SEGMENTATION_H_ */
+#endif /* ZEPHYR_INCLUDE_ARCH_X86_IA32_SEGMENTATION_H_ */

tests/kernel/static_idt/src/main.c

@@ -14,7 +14,7 @@
 #include <zephyr.h>
 #include <ztest.h>
 #include <tc_util.h>
-#include <arch/x86/segmentation.h>
+#include <arch/x86/ia32/segmentation.h>
 
 #include <kernel_structs.h>
 #if defined(__GNUC__)