arm64: dts: qcom: apq8096-db820c: drop unit address from PMI8994 regulator

The PMIC regulators are not supposed to have unit addresses.

Fixes: 2317b87a ("arm64: dts: qcom: db820c: Add vdd_gfx and tie it into mmcc")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230312183622.460488-8-krzysztof.kozlowski@linaro.org

arch/arm64/boot/dts/qcom/apq8096-db820c.dts

@@ -703,8 +703,7 @@ pmi8994_mpp2_userled4: mpp2-userled4-state {
 &pmi8994_spmi_regulators {
 	vdd_s2-supply = <&vph_pwr>;
 
-	vdd_gfx: s2@1700 {
-		reg = <0x1700 0x100>;
+	vdd_gfx: s2 {
 		regulator-name = "VDD_GFX";
 		regulator-min-microvolt = <980000>;
 		regulator-max-microvolt = <980000>;

arch/arm64/boot/dts/qcom/pmi8994.dtsi

@@ -49,8 +49,6 @@ pmi8994_lpg: pwm {
 
 		pmi8994_spmi_regulators: regulators {
 			compatible = "qcom,pmi8994-regulators";
-			#address-cells = <1>;
-			#size-cells = <1>;
 		};
 
 		pmi8994_wled: wled@d800 {