hv: modularization: remove include/boot.h.

Remove include/boot.h since it contains only assembly variables that
should only be accessed in arch/x86/init.c.

Tracked-On: #5661
Signed-off-by: Yi Liang <yi.liang@intel.com>
Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>

hypervisor/arch/x86/boot/cpu_primary.S

@@ -23,9 +23,6 @@
 
 #include <config.h>
 #include <multiboot.h>
-#ifdef CONFIG_MULTIBOOT2
-#include <multiboot2.h>
-#endif
 
 /* MULTIBOOT HEADER */
 #define MULTIBOOT_HEADER_FLAGS	MULTIBOOT_HEADER_NEED_MEMINFO

hypervisor/arch/x86/init.c

@@ -14,9 +14,13 @@
 #include <logmsg.h>
 #include <seed.h>
 #include <ld_sym.h>
-#include <boot.h>
 #include <multiboot.h>
 
+/* The following are assembly varaibles defined in arch/x86/boot/cpu_primary.S */
+/* boot_regs store the multiboot info magic and address */
+extern uint32_t boot_regs[2];
+extern char *efiloader_sig;
+
 /* Push sp magic to top of stack for call trace */
 #define SWITCH_TO(rsp, to)                                              \
 {                                                                       \

hypervisor/boot/include/boot.h

@@ -1,21 +0,0 @@
-/*
- * Copyright (C) 2020 Intel Corporation. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#ifndef BOOT_H_
-#define BOOT_H_
-
-#include <types.h>
-
-#ifndef ASSEMBLER
-
-/* boot_regs store the multiboot info magic and address */
-extern uint32_t boot_regs[2];
-
-extern char *efiloader_sig;
-
-#endif	/* ASSEMBLER */
-
-#endif /* BOOT_H_ */