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/amd/pistachio/fadt.c b/src/mainboard/amd/pistachio/fadt.c
index 4afb0b9..f9768b2 100644
--- a/src/mainboard/amd/pistachio/fadt.c
+++ b/src/mainboard/amd/pistachio/fadt.c
@@ -25,7 +25,7 @@
 #include "southbridge/amd/sb600/sb600.h"
 
 /*extern*/ u16 pm_base = 0x800;
-/* pm_base should be set in sb acpi */
+/* pm_base should be set in sb ACPI */
 /* pm_base should be got from bar2 of rs690. Here I compact ACPI
  * registers into 32 bytes limit.
  * */