arm64: dts: qcom: pmi8998: Add nodes for LAB and IBB regulators

This patch adds devicetree nodes for LAB and IBB regulators.
Signed-off-by: Nisha Kumari <nishakumari@codeaurora.org>
[sumits: Updated for better compatible strings and names]
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://lore.kernel.org/r/20200622124110.20971-4-sumit.semwal@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/pmi8998.dtsi

@@ -25,5 +25,17 @@ pmi8998_lsid1: pmic@3 {
 		reg = <0x3 SPMI_USID>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+
+		labibb {
+			compatible = "qcom,pmi8998-lab-ibb";
+
+			ibb: ibb {
+				interrupts = <0x3 0xdc 0x2 IRQ_TYPE_EDGE_RISING>;
+			};
+
+			lab: lab {
+				interrupts = <0x3 0xde 0x0 IRQ_TYPE_EDGE_RISING>;
+			};
+		};
 	};
 };