msm: pil-q6v5-mss: Clear modem subsystem IO clamps prior to resetting Q6

Interfacing with some modem subsystem peripherals is not possible
unless the UNCLAMP_ALL bit is set in MSS_CLAMP_IO register. Set
this bit accordingly.

Change-Id: I5685383c506b0bcb89d6b6f808021512079cc607
Signed-off-by: Matt Wagantall <mattw@codeaurora.org>
diff --git a/arch/arm/boot/dts/msm8974.dtsi b/arch/arm/boot/dts/msm8974.dtsi
index 446f310..1796ae6 100644
--- a/arch/arm/boot/dts/msm8974.dtsi
+++ b/arch/arm/boot/dts/msm8974.dtsi
@@ -468,7 +468,8 @@
 		reg = <0xfc880000 0x100>,
 		      <0xfd485000 0x400>,
 		      <0xfc820000 0x020>,
-		      <0xfc401680 0x004>;
+		      <0xfc401680 0x004>,
+		      <0xfc980008 0x004>;
 		vdd_mss-supply = <&pm8841_s3>;
 
 		qcom,firmware-name = "mba";