ARM: dts: msm: increase secure heap size for resolution change

Increase CMA secure heap size to support scenario of dynamic
resolution switching to 1080p resolution when older resolution
buffers may not be freed yet.

Bug: 29577623
Signed-off-by: Rohit Kulkarni <rkulkarn@codeaurora.org>

arch/arm/boot/dts/qcom/msm8992.dtsi

@@ -275,7 +275,7 @@
 
 		secure_mem: secure_region@0 {
 			linux,reserve-contiguous-region;
-			reg = <0 0 0 0x7800000>;
+			reg = <0 0 0 0x9600000>;
 			label = "secure_mem";
 		};