arm64: dts: imx8mq-librem5: Add bq25895 as max17055's power supply

This allows the userspace to notice that there's not enough
current provided to charge the battery, and also fixes issues
with 0% SOC values being considered invalid.
Signed-off-by: NSebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
Signed-off-by: NMartin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi

@@ -1109,6 +1109,7 @@
 		interrupts = <20 IRQ_TYPE_LEVEL_LOW>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_gauge>;
+		power-supplies = <&bq25895>;
 		maxim,over-heat-temp = <700>;
 		maxim,over-volt = <4500>;
 		maxim,rsns-microohm = <5000>;