bios_emulator: Fix an #ifdef typo in the header file

This stops the debug mode from working properly.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

drivers/bios_emulator/include/x86emu/debug.h

@@ -102,7 +102,7 @@
 # define ERR_PRINTF(x)		printf(x)
 # define ERR_PRINTF2(x, y)	printf(x, y)
 
-#ifdef CONFIG_X86EMU_DEBUG103
+#ifdef CONFIG_X86EMU_DEBUG
 
 
 # define DECODE_PRINTF(x)	if (DEBUG_DECODE()) \