surface: Fix battery support

modules/hardware/surface-pro6.nix

@@ -122,6 +122,10 @@ in {
 	#
 	PINCTRL_INTEL y
 	PINCTRL_SUNRISEPOINT y
+	SERIAL_DEV_BUS y
+	SERIAL_DEV_CTRL_TTYPORT y
+	MFD_INTEL_LPSS_PCI y
+	INTEL_IDMA64 y
       '';
       }
     ];