msm: pil-q6v5-mss: Dynamically allocate memory for MSS metadata

Recent changes in MBA image have made a statically-assigned metadata
base unnecessary. Remove use of the address hard-coded in the device
tree.

Change-Id: I154c83f649b67fdbfa1260f5ad5f43c2c21b9a5b
Signed-off-by: Matt Wagantall <mattw@codeaurora.org>
diff --git a/arch/arm/boot/dts/msm8226.dtsi b/arch/arm/boot/dts/msm8226.dtsi
index 2538317..a6f3aa2 100644
--- a/arch/arm/boot/dts/msm8226.dtsi
+++ b/arch/arm/boot/dts/msm8226.dtsi
@@ -636,10 +636,9 @@
 		      <0xfd485000 0x400>,
 		      <0xfc820000 0x020>,
 		      <0xfc401680 0x004>,
-		      <0x0d1fc000 0x4000>,
 		      <0xfd485194 0x4>;
 		reg-names = "qdsp6_base", "halt_base", "rmb_base",
-			    "restart_reg", "metadata_base", "cxrail_bhs_reg";
+			    "restart_reg", "cxrail_bhs_reg";
 
 		interrupts = <0 24 1>;
 		vdd_mss-supply = <&pm8226_s1>;