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>

Makefile.inc

@@ -293,7 +293,7 @@ $(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h
 endef
 
 #######################################################################
-# Parse plaintext cmos defaults into binary format
+# Parse plaintext CMOS defaults into binary format
 # arg1: source file
 # arg2: binary file name
 cbfs-files-processor-nvramtool= \