Get rid of use of old GIC APIs

Signed-off-by: Koan-Sin Tan <koansin.tan@gmail.com>
diff --git a/plat/mediatek/mt8173/include/plat_macros.S b/plat/mediatek/mt8173/include/plat_macros.S
index 018a790..f95fd5b 100644
--- a/plat/mediatek/mt8173/include/plat_macros.S
+++ b/plat/mediatek/mt8173/include/plat_macros.S
@@ -29,7 +29,8 @@
  */
 
 #include <cci.h>
-#include <gic_v2.h>
+#include <gic_common.h>
+#include <gicv2.h>
 #include <mt8173_def.h>
 
 .section .rodata.gic_reg_name, "aS"