arm64: dts: msm8998: Add UFS phy reset

Fixup MSM8998 UFS DT nodes now that Evan's reset series has landed.
https://lore.kernel.org/lkml/20190321171800.104681-1-evgreen@chromium.org/

Signed-off-by: Marc Gonzalez <marc.w.gonzalez@free.fr>
Signed-off-by: Andy Gross <agross@kernel.org>

arch/arm64/boot/dts/qcom/msm8998.dtsi

@@ -1144,6 +1144,7 @@
 			phy-names = "ufsphy";
 			lanes-per-direction = <2>;
 			power-domains = <&gcc UFS_GDSC>;
+			#reset-cells = <1>;
 
 			clock-names =
 				"core_clk",
@@ -1191,6 +1192,9 @@
 				<&gcc GCC_UFS_CLKREF_CLK>,
 				<&gcc GCC_UFS_PHY_AUX_CLK>;
 
+			reset-names = "ufsphy";
+			resets = <&ufshc 0>;
+
 			ufsphy_lanes: lanes@1da7400 {
 				reg = <0x01da7400 0x128>,
 				      <0x01da7600 0x1fc>,