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/mach-owl/Kconfig b/arch/arm/mach-owl/Kconfig
new file mode 100644
index 0000000..f695c16
--- /dev/null
+++ b/arch/arm/mach-owl/Kconfig
@@ -0,0 +1,6 @@
+if ARCH_OWL
+
+config SYS_SOC
+	default "owl"
+
+endif