clk: imx: expose CCF entry for all

Expose CCF entry, then we could avoid expand the SoC support list

Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig
index 3e6a980..aae69cf 100644
--- a/drivers/clk/imx/Kconfig
+++ b/drivers/clk/imx/Kconfig
@@ -20,3 +20,19 @@
 	select CLK
 	help
 	  This enables support clock driver for i.MX8 platforms.
+
+config SPL_CLK_IMX8MM
+	bool "SPL clock support for i.MX8MM"
+	depends on ARCH_IMX8M && SPL
+	select SPL_CLK
+	select SPL_CLK_CCF
+	help
+	  This enables SPL DM/DTS support for clock driver in i.MX8MM
+
+config CLK_IMX8MM
+	bool "Clock support for i.MX8MM"
+	depends on ARCH_IMX8M
+	select CLK
+	select CLK_CCF
+	help
+	  This enables support clock driver for i.MX8MM platforms.