msm: pcie: get PHY stts offset from device tree on sdm845 & sdxpoorwills

Use the offset defined in device tree since every
PCIe PHY IP has a different status register. Add
PHY status offset entry for sdm845 and sdxpoorwills
device tree.

Change-Id: If975d843e24e74d99c01411a90940e76ee41a0a6
Signed-off-by: Tony Truong <truong@codeaurora.org>
diff --git a/arch/arm/boot/dts/qcom/sdxpoorwills-pcie.dtsi b/arch/arm/boot/dts/qcom/sdxpoorwills-pcie.dtsi
index 0b94534..e939bd2 100644
--- a/arch/arm/boot/dts/qcom/sdxpoorwills-pcie.dtsi
+++ b/arch/arm/boot/dts/qcom/sdxpoorwills-pcie.dtsi
@@ -139,6 +139,8 @@
 
 		qcom,slv-addr-space-size = <0x40000000>;
 
+		qcom,phy-status-offset = <0x814>;
+
 		qcom,cpl-timeout = <0x2>;
 
 		qcom,boot-option = <0x1>;