mb/amd/mandolin/Kconfig: Remove unneeded whitespace before tab

Change-Id: I2b52c32a607386cdc1ca00531eda4dfc0bfaab1e
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50430
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/mainboard/amd/mandolin/Kconfig b/src/mainboard/amd/mandolin/Kconfig
index 7c9387a..1e933c8 100644
--- a/src/mainboard/amd/mandolin/Kconfig
+++ b/src/mainboard/amd/mandolin/Kconfig
@@ -43,8 +43,8 @@
 
 config SUPERIO_ADDR_BASE
 	hex
-	default 0x4e 	if SMSC_SIO1036_BASE_4E
-	default 0x164e 	if SMSC_SIO1036_BASE_164E
+	default 0x4e	if SMSC_SIO1036_BASE_4E
+	default 0x164e	if SMSC_SIO1036_BASE_164E
 
 config CBFS_SIZE
 	hex