dts: imx8mq-librem5: Set bq25895 thermal regulation threshold to 60°C

The default value is 120°C, meaning that bq25895 won't start limiting charging current until its internal temperature reaches that level. 120°C seems a bit high for a handheld device, so let's reduce this value to 60°C.

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

@@ -1468,6 +1468,7 @@ bq25895: charger@6a {
 		ti,boost-max-current = <1500000>; /* uA */
 		ti,use-vinmin-threshold = <1>; /* enable VINDPM */
 		ti,vinmin-threshold = <3900000>; /* uV */
+		ti,thermal-regulation-threshold = <60>; /* °C */
 		ti,auto_dpdm_disable;
 		monitored-battery = <&bat>;
 		power-supplies = <&typec_pd>;