clk: actions: Add common clock driver

This patch converts S900 clock driver to something common that can
be used for other SoCs, for instance S700(few of clk registers are same).

Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e85506a..2f831a9 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -877,6 +877,8 @@
 	select DM
 	select DM_SERIAL
 	select OWL_SERIAL
+	select CLK
+	select CLK_OWL
 	select OF_CONTROL
 	imply CMD_DM