ARM: dts: msm: Add SMP buffer reservation limit on msm8226

Add an optional property to restrict maximum SMP block allocation
required for targets like 8x26, where total available SMP blocks
are limited.

Change-Id: I08827f16ae673a1b9884c844dc169e13b9d406ab
Signed-off-by: Mayank Chopra <makchopra@codeaurora.org>
diff --git a/arch/arm/boot/dts/msm8226-mdss.dtsi b/arch/arm/boot/dts/msm8226-mdss.dtsi
index f580897..b895c64 100644
--- a/arch/arm/boot/dts/msm8226-mdss.dtsi
+++ b/arch/arm/boot/dts/msm8226-mdss.dtsi
@@ -36,6 +36,7 @@
 		qcom,mdss-wb-off = <0x00011100 0x00013100>;
 		qcom,mdss-intf-off = <0x00000000 0x00021300>;
 		qcom,mdss-rot-block-size = <64>;
+		qcom,mdss-smp-mb-per-pipe = <2>;
 
 		qcom,vbif-settings = <0x004 0x00000001>,
 				     <0x0D8 0x00000707>,