libpayload/arch/x86: Fix register alignment in exception state dump

Removed an extra space character from the `printf` format string in
`dump_exception_state` to ensure proper alignment of register values
when printed during exception handling.

BUG=b:336265399
TEST=Built and booted google/rex64 successfully.
Verified correct alignment in exception state dumps.

Change-Id: I8ff92775e32ee754967b1b0a43cd68971b4aadfc
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83047
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/payloads/libpayload/arch/x86/exception.c b/payloads/libpayload/arch/x86/exception.c
index a43a993..fdab042 100644
--- a/payloads/libpayload/arch/x86/exception.c
+++ b/payloads/libpayload/arch/x86/exception.c
@@ -162,12 +162,12 @@
 #if CONFIG(LP_ARCH_X86_64)
 	printf("REG_R8:    0x%016zx\n", exception_state->regs.reg_r8);
 	printf("REG_R9:    0x%016zx\n", exception_state->regs.reg_r9);
-	printf("REG_R10:    0x%016zx\n", exception_state->regs.reg_r10);
-	printf("REG_R11:    0x%016zx\n", exception_state->regs.reg_r11);
-	printf("REG_R12:    0x%016zx\n", exception_state->regs.reg_r12);
-	printf("REG_R13:    0x%016zx\n", exception_state->regs.reg_r13);
-	printf("REG_R14:    0x%016zx\n", exception_state->regs.reg_r14);
-	printf("REG_R15:    0x%016zx\n", exception_state->regs.reg_r15);
+	printf("REG_R10:   0x%016zx\n", exception_state->regs.reg_r10);
+	printf("REG_R11:   0x%016zx\n", exception_state->regs.reg_r11);
+	printf("REG_R12:   0x%016zx\n", exception_state->regs.reg_r12);
+	printf("REG_R13:   0x%016zx\n", exception_state->regs.reg_r13);
+	printf("REG_R14:   0x%016zx\n", exception_state->regs.reg_r14);
+	printf("REG_R15:   0x%016zx\n", exception_state->regs.reg_r15);
 #endif
 	printf("CS:     0x%04x\n", exception_state->regs.cs);
 	printf("DS:     0x%04x\n", exception_state->regs.ds);