arm64 :show_regs: show the address before relocation

After relocation, when error happends, it is hard to track
ELR and LR with asm file objdumped from elf file.

So subtract the gd->reloc_off the reflect the compliation address.
Signed-off-by: NPeng Fan <peng.fan@nxp.com>
Reviewed-by: NSimon Glass <sjg@chromium.org>

arch/arm/lib/interrupts_64.c

@@ -9,6 +9,7 @@
 #include <linux/compiler.h>
 #include <efi_loader.h>
 
+DECLARE_GLOBAL_DATA_PTR;
 
 int interrupt_init(void)
 {
@@ -29,8 +30,13 @@ void show_regs(struct pt_regs *regs)
 {
 	int i;
 
-	printf("ELR:     %lx\n", regs->elr);
-	printf("LR:      %lx\n", regs->regs[30]);
+	if (gd->flags & GD_FLG_RELOC) {
+		printf("ELR:     %lx\n", regs->elr - gd->reloc_off);
+		printf("LR:      %lx\n", regs->regs[30] - gd->reloc_off);
+	} else {
+		printf("ELR:     %lx\n", regs->elr);
+		printf("LR:      %lx\n", regs->regs[30]);
+	}
 	for (i = 0; i < 29; i += 2)
 		printf("x%-2d: %016lx x%-2d: %016lx\n",
 		       i, regs->regs[i], i+1, regs->regs[i+1]);