src/soc: Remove space before tab

Spaces before tabs are not allowed.

Change-Id: I0d2c55c2e0108e59facd92b2e2c0f6c418ef6db0
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62055
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Jason Glenesk <jason.glenesk@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/amd/cezanne/acpi/pci0.asl b/src/soc/amd/cezanne/acpi/pci0.asl
index 08ccbe6..7bd434a 100644
--- a/src/soc/amd/cezanne/acpi/pci0.asl
+++ b/src/soc/amd/cezanne/acpi/pci0.asl
@@ -3,7 +3,7 @@
 Device(PCI0) {
 	Name(_HID, EISAID("PNP0A08"))	/* PCI Express Root Bridge */
 	Name(_CID, EISAID("PNP0A03"))	/* PCI Root Bridge */
-	External(TOM1, IntObj) 		/* Generated by root_complex.c */
+	External(TOM1, IntObj)		/* Generated by root_complex.c */
 
 	Method(_BBN, 0, NotSerialized) {
 		Return(Zero) /* Bus number = 0 */