ARM: dts: omap5-evm: Update available memory to 2032 MB

On OMAP5 to detect invalid/bad memory accesses, 16MB of DDR is used as a trap.
Hence available memory for linux OS is 2032 MB on boards popullated with 2 GB
memory.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Benoit Cousson <benoit.cousson@linaro.org>

arch/arm/boot/dts/omap5-evm.dts

@@ -16,7 +16,7 @@
 
 	memory {
 		device_type = "memory";
-		reg = <0x80000000 0x80000000>; /* 2 GB */
+		reg = <0x80000000 0x7F000000>; /* 2032 MB */
 	};
 
 	vmmcsd_fixed: fixedregulator-mmcsd {