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>

src/mainboard/emulation/qemu-power8/mainboard.c

@@ -26,7 +26,7 @@ static void mainboard_enable(device_t dev)
 			;
 	}
 
-	// Where does ram live?
+	// Where does RAM live?
 	ram_resource(dev, 0, 2048, 32768);
 	cbmem_recovery(0);
 }