Add support for cortex-a72

Bug: 113346253
Test: lunch cheets_arm64-eng; m
Change-Id: I02dd1cfe75f97767eac7424d472ff643987c276b
diff --git a/cc/config/arm_device.go b/cc/config/arm_device.go
index 4135179..c1c2c7b 100644
--- a/cc/config/arm_device.go
+++ b/cc/config/arm_device.go
@@ -162,6 +162,7 @@
 		"cortex-a53",
 		"cortex-a53-a57",
 		"cortex-a55",
+		"cortex-a72",
 		"cortex-a73",
 		"cortex-a75",
 		"krait",
@@ -269,6 +270,7 @@
 		"cortex-a53":     "${config.ArmCortexA53Cflags}",
 		"cortex-a53.a57": "${config.ArmCortexA53Cflags}",
 		"cortex-a55":     "${config.ArmCortexA55Cflags}",
+		"cortex-a72":     "${config.ArmCortexA53Cflags}",
 		"cortex-a73":     "${config.ArmCortexA53Cflags}",
 		"cortex-a75":     "${config.ArmCortexA55Cflags}",
 		"krait":          "${config.ArmKraitCflags}",
@@ -292,6 +294,7 @@
 		"cortex-a53":     "${config.ArmClangCortexA53Cflags}",
 		"cortex-a53.a57": "${config.ArmClangCortexA53Cflags}",
 		"cortex-a55":     "${config.ArmClangCortexA55Cflags}",
+		"cortex-a72":     "${config.ArmClangCortexA53Cflags}",
 		"cortex-a73":     "${config.ArmClangCortexA53Cflags}",
 		"cortex-a75":     "${config.ArmClangCortexA55Cflags}",
 		"krait":          "${config.ArmClangKraitCflags}",