platform/surface: Move Surface 3 Power OpRegion driver to platform/surface

Move the Surface 3 Power operation region driver from platform/x86 to
the newly created platform/surface directory.
Signed-off-by: NMaximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: NAndy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20201009141128.683254-5-luzmaximilian@gmail.comSigned-off-by: NHans de Goede <hdegoede@redhat.com>

drivers/platform/surface/Kconfig

@@ -33,4 +33,11 @@ config SURFACE_3_BUTTON
 	help
 	  This driver handles the power/home/volume buttons on the Microsoft Surface 3 tablet.
 
+config SURFACE_3_POWER_OPREGION
+	tristate "Surface 3 battery platform operation region support"
+	depends on ACPI && I2C
+	help
+	  This driver provides support for ACPI operation
+	  region of the Surface 3 battery platform driver.
+
 endif # SURFACE_PLATFORMS

drivers/platform/surface/Makefile

@@ -6,3 +6,4 @@
 
 obj-$(CONFIG_SURFACE3_WMI)		+= surface3-wmi.o
 obj-$(CONFIG_SURFACE_3_BUTTON)		+= surface3_button.o
+obj-$(CONFIG_SURFACE_3_POWER_OPREGION)	+= surface3_power.o

drivers/platform/x86/Kconfig

@@ -870,13 +870,6 @@ config INTEL_VBTN
 	  To compile this driver as a module, choose M here: the module will
 	  be called intel_vbtn.
 
-config SURFACE_3_POWER_OPREGION
-	tristate "Surface 3 battery platform operation region support"
-	depends on ACPI && I2C
-	help
-	  This driver provides support for ACPI operation
-	  region of the Surface 3 battery platform driver.
-
 config SURFACE_PRO3_BUTTON
 	tristate "Power/home/volume buttons driver for Microsoft Surface Pro 3/4 tablet"
 	depends on ACPI && INPUT

drivers/platform/x86/Makefile

@@ -82,7 +82,6 @@ obj-$(CONFIG_INTEL_OAKTRAIL)		+= intel_oaktrail.o
 obj-$(CONFIG_INTEL_VBTN)		+= intel-vbtn.o
 
 # Microsoft
-obj-$(CONFIG_SURFACE_3_POWER_OPREGION)	+= surface3_power.o
 obj-$(CONFIG_SURFACE_PRO3_BUTTON)	+= surfacepro3_button.o
 
 # MSI