soc: mediatek: place Kconfig for all SoC drivers under menu

Add cleanup for placing all Kconfig for all MediaTek SoC drivers under
the independent menu as other SoCs vendor usually did. Since the menu
would be shown depending on "ARCH_MEDIATEK || COMPILE_TEST" selected and
MTK_PMIC_WRAP is still safe compiling with the case of "COMPILE_TEST"
only, the superfluous dependency for those items under the menu also is
also being removed for the sake of simplicity.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

drivers/soc/mediatek/Kconfig

 #
 # MediaTek SoC drivers
 #
+menu "MediaTek SoC drivers"
+	depends on ARCH_MEDIATEK || COMPILE_TEST
+
 config MTK_INFRACFG
 	bool "MediaTek INFRACFG Support"
-	depends on ARCH_MEDIATEK || COMPILE_TEST
 	select REGMAP
 	help
 	  Say yes here to add support for the MediaTek INFRACFG controller. The
@@ -12,7 +14,6 @@ config MTK_INFRACFG
 
 config MTK_PMIC_WRAP
 	tristate "MediaTek PMIC Wrapper Support"
-	depends on ARCH_MEDIATEK
 	depends on RESET_CONTROLLER
 	select REGMAP
 	help
@@ -22,7 +23,6 @@ config MTK_PMIC_WRAP
 
 config MTK_SCPSYS
 	bool "MediaTek SCPSYS Support"
-	depends on ARCH_MEDIATEK || COMPILE_TEST
 	default ARCH_MEDIATEK
 	select REGMAP
 	select MTK_INFRACFG
@@ -30,3 +30,5 @@ config MTK_SCPSYS
 	help
 	  Say yes here to add support for the MediaTek SCPSYS power domain
 	  driver.
+
+endmenu