feat(nxp/common/ocram): add driver for OCRAM initialization

In order to enable OCRAM ECC, it need to be initialized
with 64-bit writes and then a write performed to address
0x0010_0534 with the value 0x0000_0008.

Signed-off-by: Jiafei Pan <Jiafei.Pan@nxp.com>
Change-Id: Id7d4f5df65ca52f24e9251c08a75ad2006451b95
diff --git a/plat/nxp/common/ocram/ocram.mk b/plat/nxp/common/ocram/ocram.mk
new file mode 100644
index 0000000..c77bd4a
--- /dev/null
+++ b/plat/nxp/common/ocram/ocram.mk
@@ -0,0 +1,14 @@
+#
+# Copyright 2021 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#
+
+PLAT_OCRAM_PATH		:= $(PLAT_COMMON_PATH)/ocram
+
+OCRAM_SOURCES		:= ${PLAT_OCRAM_PATH}/$(ARCH)/ocram.S
+
+BL2_SOURCES		+= ${OCRAM_SOURCES}
+
+PLAT_INCLUDES           += -I${PLAT_COMMON_PATH}/ocram