treewide: Capitalize 'CMOS'

Change-Id: I1d36e554618498d70f33f6c425b0abc91d4fb952
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38928
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Peter Lemenkov <lemenkov@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/northbridge/intel/gm45/igd.c b/src/northbridge/intel/gm45/igd.c
index cfd067e..28e93b8 100644
--- a/src/northbridge/intel/gm45/igd.c
+++ b/src/northbridge/intel/gm45/igd.c
@@ -153,13 +153,13 @@
 	if (!sysinfo->enable_igd || (capid & (1 << (33 - 32))))
 		sysinfo->ggc = 0x0002;
 	else {
-		/* 4 for 32MB, default if not set in cmos */
+		/* 4 for 32MB, default if not set in CMOS */
 		u8 gfxsize = 4;
 
 		/* Graphics Stolen Memory: 2MB GTT (0x0300) when VT-d disabled,
 		   2MB GTT + 2MB shadow GTT (0x0b00) else. */
 		get_option(&gfxsize, "gfx_uma_size");
-		/* Handle invalid cmos settings */
+		/* Handle invalid CMOS settings */
 		/* Only allow settings between 32MB and 352MB */
 		gfxsize = MIN(MAX(gfxsize, 4), 12);