pmdomain: mediatek: Move Kconfig options to the pmdomain subsystem

The Kconfig options belongs closer to the corresponding implementations,
hence let's move them from the soc subsystem to the pmdomain subsystem.

Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Cc: <linux-mediatek@lists.infradead.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/pmdomain/Kconfig

@@ -6,5 +6,6 @@ source "drivers/pmdomain/amlogic/Kconfig"
 source "drivers/pmdomain/apple/Kconfig"
 source "drivers/pmdomain/bcm/Kconfig"
 source "drivers/pmdomain/imx/Kconfig"
+source "drivers/pmdomain/mediatek/Kconfig"
 
 endmenu

drivers/pmdomain/mediatek/Kconfig

+# SPDX-License-Identifier: GPL-2.0-only
+
+menu "MediaTek PM Domains"
+	depends on ARCH_MEDIATEK || COMPILE_TEST
+
+config MTK_SCPSYS
+	bool "MediaTek SCPSYS Support"
+	default ARCH_MEDIATEK
+	depends on OF
+	select REGMAP
+	select MTK_INFRACFG
+	select PM_GENERIC_DOMAINS if PM
+	help
+	  Say yes here to add support for the MediaTek SCPSYS power domain
+	  driver.
+
+config MTK_SCPSYS_PM_DOMAINS
+	bool "MediaTek SCPSYS generic power domain"
+	default ARCH_MEDIATEK
+	depends on PM
+	select PM_GENERIC_DOMAINS
+	select REGMAP
+	help
+	  Say y here to enable power domain support.
+	  In order to meet high performance and low power requirements, the System
+	  Control Processor System (SCPSYS) has several power management related
+	  tasks in the system.
+
+endmenu

drivers/soc/mediatek/Kconfig

@@ -49,29 +49,6 @@ config MTK_REGULATOR_COUPLER
 	default ARCH_MEDIATEK
 	depends on REGULATOR
 
-config MTK_SCPSYS
-	bool "MediaTek SCPSYS Support"
-	default ARCH_MEDIATEK
-	depends on OF
-	select REGMAP
-	select MTK_INFRACFG
-	select PM_GENERIC_DOMAINS if PM
-	help
-	  Say yes here to add support for the MediaTek SCPSYS power domain
-	  driver.
-
-config MTK_SCPSYS_PM_DOMAINS
-	bool "MediaTek SCPSYS generic power domain"
-	default ARCH_MEDIATEK
-	depends on PM
-	select PM_GENERIC_DOMAINS
-	select REGMAP
-	help
-	  Say y here to enable power domain support.
-	  In order to meet high performance and low power requirements, the System
-	  Control Processor System (SCPSYS) has several power management related
-	  tasks in the system.
-
 config MTK_MMSYS
 	tristate "MediaTek MMSYS Support"
 	default ARCH_MEDIATEK