feat(tc): allow Android load and Boot From RAM

This commit introduces the below changes:
* Define TC_FPGA_ANDROID_IMG_IN_RAM config variable
* Add phram node in dts.
* Memory configuration for loading Android image

Change-Id: I5ec82646cb2993e7b5976e702ebcc8efa51d1128
Signed-off-by: Vishnu Satheesh <vishnu.satheesh@arm.com>
Signed-off-by: Leo Yan <leo.yan@arm.com>
Signed-off-by: Icen Zeyada <Icen.Zeyada2@arm.com>
diff --git a/fdts/tc-fpga.dtsi b/fdts/tc-fpga.dtsi
index 08b9ae5..c761808 100644
--- a/fdts/tc-fpga.dtsi
+++ b/fdts/tc-fpga.dtsi
@@ -25,6 +25,19 @@
 		stdout-path = "serial0:38400n8";
 	};
 
+#if TC_FPGA_ANDROID_IMG_IN_RAM
+	reserved-memory {
+		phram@0x880000000 {
+			/*
+			 * starting from 0x8_8000_0000 reserve some memory
+			 * android image will be side loaded to this location
+			 */
+			reg = <0x8 0x80000000  HI(ANDROID_FS_SIZE) LO(ANDROID_FS_SIZE)>
+			no-map;
+		};
+	};
+#endif /* TC_FPGA_ANDROID_IMG_IN_RAM */
+
 	ethernet: ethernet@ETHERNET_ADDR {
 		compatible = "smsc,lan9115";
 		phy-mode = "mii";