ARM: dts: msm: add pinctrl configuration for QNOVO_EXT_FET_CTL on sdm845

QNOVO_EXT_FET_CTL pin is controlled using PMI8998 GPIO 6. Specify
the required pinctrl configuration for it.

Change-Id: I0260602e283df499913294343166f26ecd7cad18
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
diff --git a/arch/arm64/boot/dts/qcom/pmi8998.dtsi b/arch/arm64/boot/dts/qcom/pmi8998.dtsi
index 1ee6d51..2957c68 100644
--- a/arch/arm64/boot/dts/qcom/pmi8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/pmi8998.dtsi
@@ -71,7 +71,7 @@
 			qcom,gpios-disallowed = <4 7 13>;
 		};
 
-		qcom,qpnp-qnovo@1500 {
+		pmi8998_qnovo: qcom,qpnp-qnovo@1500 {
 			compatible = "qcom,qpnp-qnovo";
 			reg = <0x1500 0x100>;
 			interrupts = <0x2 0x15 0x0 IRQ_TYPE_NONE>;