src/include: Capitalize CPU, RAM and ROM

Change-Id: Id40c1bf868820c77ea20146d19c6d552c2f970c4
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/15942
Tested-by: build bot (Jenkins)
Reviewed-by: Omar Pakker
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/include/gic.h b/src/include/gic.h
index 1ac1eab..f7339a4 100644
--- a/src/include/gic.h
+++ b/src/include/gic.h
@@ -26,7 +26,7 @@
 /* Return a pointer to the base of the GIC distributor mmio region. */
 void *gicd_base(void);
 
-/* Return a pointer to the base of the GIC cpu mmio region. */
+/* Return a pointer to the base of the GIC CPU mmio region. */
 void *gicc_base(void);
 
 #else /* CONFIG_GIC */