arm: Add support for Actions Semi OWL SoC family

This commit adds Actions Semi OWL SoC family support with S900 as the
first target SoC.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 00b2848..46882bd 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -708,6 +708,13 @@
 	select BOARD_EARLY_INIT_F
 	imply MXC_GPIO
 
+config ARCH_OWL
+	bool "Actions Semi OWL SoCs"
+	select ARM64
+	select DM
+	select DM_SERIAL
+	select OF_CONTROL
+
 config ARCH_QEMU
 	bool "QEMU Virtual Platform"
 	select DM
@@ -1357,6 +1364,8 @@
 
 source "arch/arm/mach-orion5x/Kconfig"
 
+source "arch/arm/mach-owl/Kconfig"
+
 source "arch/arm/mach-rmobile/Kconfig"
 
 source "arch/arm/mach-meson/Kconfig"