src/mainboard: Capitalize ROM, RAM, CPU and APIC

Change-Id: Ia1f24d328a065a54975adde067df36c5751bff2d
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/15987
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/mainboard/apple/macbook21/cmos.layout b/src/mainboard/apple/macbook21/cmos.layout
index c11997c..a6483458 100644
--- a/src/mainboard/apple/macbook21/cmos.layout
+++ b/src/mainboard/apple/macbook21/cmos.layout
@@ -72,7 +72,7 @@
 984         16       h       0        check_sum
 #1000        24       r       0        amd_reserved
 
-# ram initialization internal data
+# RAM initialization internal data
 1024         8       r       0        C0WL0REOST
 1032         8       r       0        C1WL0REOST
 1040         8       r       0        RCVENMT