mb/google/brox: Use name 'LCD0' for internal panel output

The GMA driver generates the brightness controls expecting the name
LCD0, so we need to use it here as well so that the DSDT and SSDT parts
match.

Change-Id: Id52f7c0e542423ba08eeed89bf9b171e540e10e4
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80243
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
diff --git a/src/mainboard/google/brox/variants/brox/overridetree.cb b/src/mainboard/google/brox/variants/brox/overridetree.cb
index af7c84c..82a836f 100644
--- a/src/mainboard/google/brox/variants/brox/overridetree.cb
+++ b/src/mainboard/google/brox/variants/brox/overridetree.cb
@@ -29,7 +29,7 @@
 			chip drivers/gfx/generic
 				register "device_count" = "6"
 				# DDIA for eDP
-				register "device[0].name" = ""LCD""
+				register "device[0].name" = ""LCD0""
 				# DDIB for HDMI
 				# If HDMI is not enumerated in the kernel, then no GFX device should be added for DDIB
 				register "device[1].name" = ""DD01""