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/Makefile b/arch/arm/mach-owl/Makefile
new file mode 100644
index 0000000..1b43dc2
--- /dev/null
+++ b/arch/arm/mach-owl/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier:	GPL-2.0+
+
+obj-y += sysmap-s900.o