clk: mediatek: Allow MT7622 clocks to be built as modules

Now that all drivers are using the simple probe mechanism change the
MT7622 clock drivers to tristate in Kconfig to allow module build.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230306140543.1813621-42-angelogioacchino.delregno@collabora.comSigned-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/mediatek/Kconfig

@@ -336,7 +336,7 @@ config COMMON_CLK_MT6797_VENCSYS
 	  This driver supports MediaTek MT6797 vencsys clocks.
 
 config COMMON_CLK_MT7622
-	bool "Clock driver for MediaTek MT7622"
+	tristate "Clock driver for MediaTek MT7622"
 	depends on ARCH_MEDIATEK || COMPILE_TEST
 	select COMMON_CLK_MEDIATEK
 	default ARCH_MEDIATEK
@@ -345,21 +345,21 @@ config COMMON_CLK_MT7622
 	  required for various periperals found on MediaTek.
 
 config COMMON_CLK_MT7622_ETHSYS
-	bool "Clock driver for MediaTek MT7622 ETHSYS"
+	tristate "Clock driver for MediaTek MT7622 ETHSYS"
 	depends on COMMON_CLK_MT7622
 	help
 	  This driver add support for clocks for Ethernet and SGMII
 	  required on MediaTek MT7622 SoC.
 
 config COMMON_CLK_MT7622_HIFSYS
-	bool "Clock driver for MediaTek MT7622 HIFSYS"
+	tristate "Clock driver for MediaTek MT7622 HIFSYS"
 	depends on COMMON_CLK_MT7622
 	help
 	  This driver supports MediaTek MT7622 HIFSYS clocks providing
 	  to PCI-E and USB.
 
 config COMMON_CLK_MT7622_AUDSYS
-	bool "Clock driver for MediaTek MT7622 AUDSYS"
+	tristate "Clock driver for MediaTek MT7622 AUDSYS"
 	depends on COMMON_CLK_MT7622
 	help
 	  This driver supports MediaTek MT7622 AUDSYS clocks providing