x86: Remove unused _relocate arguments

EFI image handle and system table are not used in _relocate().

Signed-off-by: Ivan Gorinov <ivan.gorinov@intel.com>

arch/x86/lib/crt0_x86_64_efi.S

@@ -18,9 +18,6 @@ _start:
 	pushq %rcx
 	pushq %rdx
 
-	mov %rcx, %r8
-	mov %rdx, %r9
-
 	lea image_base(%rip), %rcx
 	lea _DYNAMIC(%rip), %rdx
 

arch/x86/lib/reloc_ia32_efi.c

@@ -12,8 +12,7 @@
 #include <elf.h>
 #include <asm/elf.h>
 
-efi_status_t _relocate(long ldbase, Elf32_Dyn *dyn, efi_handle_t image,
-		       struct efi_system_table *systab)
+efi_status_t EFIAPI _relocate(long ldbase, Elf32_Dyn *dyn)
 {
 	long relsz = 0, relent = 0;
 	Elf32_Rel *rel = 0;

arch/x86/lib/reloc_x86_64_efi.c

@@ -14,8 +14,7 @@
 #include <elf.h>
 #include <asm/elf.h>
 
-efi_status_t _relocate(long ldbase, Elf64_Dyn *dyn, efi_handle_t image,
-		       struct efi_system_table *systab)
+efi_status_t EFIAPI _relocate(long ldbase, Elf64_Dyn *dyn)
 {
 	long relsz = 0, relent = 0;
 	Elf64_Rel *rel = 0;