msm: ocmem: Support for On-Chip Memory

Add initial support for on-chip memory present in copper.
This patch adds basic driver infrastructure that sets up zones.

Change-Id: I520d67dbf2178eef4ddb81799d5901d31e9976e4
Signed-off-by: Naveen Ramaraj <nramaraj@codeaurora.org>
diff --git a/arch/arm/boot/dts/msmcopper.dtsi b/arch/arm/boot/dts/msmcopper.dtsi
index db44d13..fc9d50a 100644
--- a/arch/arm/boot/dts/msmcopper.dtsi
+++ b/arch/arm/boot/dts/msmcopper.dtsi
@@ -265,4 +265,8 @@
 
 		qcom,firmware-name = "wcnss";
 	};
+
+	qcom,ocmem@fdd00000 {
+		compatible = "qcom,msm_ocmem";
+	};
 };