arm64: dts: qcom: sdm845-xiaomi-beryllium: enable pmi8998 charger

Enable the pmi8998 charger and define some basic battery properties.
Signed-off-by: Joel Selvaraj <joelselvaraj.oss@gmail.com>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230524-pmi8998-charger-dts-v2-5-2a5c77d2ff0c@linaro.org

arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-common.dtsi

@@ -115,6 +115,14 @@ rmtfs_mem: memory@f6301000 {
 		};
 	};
 
+	battery: battery {
+		compatible = "simple-battery";
+
+		charge-full-design-microamp-hours = <4000000>;
+		voltage-min-design-microvolt = <3400000>;
+		voltage-max-design-microvolt = <4400000>;
+	};
+
 	vreg_s4a_1p8: vreg-s4a-1p8 {
 		compatible = "regulator-fixed";
 		regulator-name = "vreg_s4a_1p8";
@@ -341,6 +349,12 @@ &pmi8998_wled {
 	qcom,cabc;
 };
 
+&pmi8998_charger {
+	monitored-battery = <&battery>;
+
+	status = "okay";
+};
+
 &pm8998_resin {
 	linux,code = <KEY_VOLUMEDOWN>;
 	status = "okay";