feat(plat/nxp/common): define common macro for ARM registers

Define common register macro both for Cortex-A53 and Cortex-A72
because the code will be used by both Cortex platform.

Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Jiafei Pan <Jiafei.Pan@nxp.com>
Change-Id: I485661bfe3ed4f214c403ff6af53dc6af1ddf089
diff --git a/plat/nxp/common/psci/include/plat_psci.h b/plat/nxp/common/psci/include/plat_psci.h
index 97d4c97..c81340c 100644
--- a/plat/nxp/common/psci/include/plat_psci.h
+++ b/plat/nxp/common/psci/include/plat_psci.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018-2020 NXP
+ * Copyright 2018-2021 NXP
  *
  * SPDX-License-Identifier: BSD-3-Clause
  *
@@ -7,6 +7,8 @@
 
 #ifndef PLAT_PSCI_H
 #define PLAT_PSCI_H
+#include <cortex_a53.h>
+#include <cortex_a72.h>
 
  /* core abort current op */
 #define CORE_ABORT_OP     0x1