clk: imx: select [SPL_]CLK_COMPOSITE_CCF for imx8mn

The clock composite is required when using the clock framework. So
select it automatically.

Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com>
diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig
index 19e40da..cdd3480 100644
--- a/drivers/clk/imx/Kconfig
+++ b/drivers/clk/imx/Kconfig
@@ -42,6 +42,7 @@
 	depends on ARCH_IMX8M && SPL
 	select SPL_CLK
 	select SPL_CLK_CCF
+	select SPL_CLK_COMPOSITE_CCF
 	help
 	  This enables SPL DM/DTS support for clock driver in i.MX8MN
 
@@ -50,6 +51,7 @@
 	depends on ARCH_IMX8M
 	select CLK
 	select CLK_CCF
+	select CLK_COMPOSITE_CCF
 	help
 	  This enables support clock driver for i.MX8MN platforms.