clk: mediatek: Allow building most MT6797 clock drivers as modules

Most of the MT6797 clock drivers can be built as modules: change them
to tristate to allow that.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230306140543.1813621-46-angelogioacchino.delregno@collabora.comSigned-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/mediatek/Kconfig

@@ -312,25 +312,25 @@ config COMMON_CLK_MT6797
 	  This driver supports MediaTek MT6797 basic clocks.
 
 config COMMON_CLK_MT6797_MMSYS
-	bool "Clock driver for MediaTek MT6797 mmsys"
+	tristate "Clock driver for MediaTek MT6797 mmsys"
 	depends on COMMON_CLK_MT6797
 	help
 	  This driver supports MediaTek MT6797 mmsys clocks.
 
 config COMMON_CLK_MT6797_IMGSYS
-	bool "Clock driver for MediaTek MT6797 imgsys"
+	tristate "Clock driver for MediaTek MT6797 imgsys"
 	depends on COMMON_CLK_MT6797
 	help
 	  This driver supports MediaTek MT6797 imgsys clocks.
 
 config COMMON_CLK_MT6797_VDECSYS
-	bool "Clock driver for MediaTek MT6797 vdecsys"
+	tristate "Clock driver for MediaTek MT6797 vdecsys"
 	depends on COMMON_CLK_MT6797
 	help
 	  This driver supports MediaTek MT6797 vdecsys clocks.
 
 config COMMON_CLK_MT6797_VENCSYS
-	bool "Clock driver for MediaTek MT6797 vencsys"
+	tristate "Clock driver for MediaTek MT6797 vencsys"
 	depends on COMMON_CLK_MT6797
 	help
 	  This driver supports MediaTek MT6797 vencsys clocks.