arm: K3: Add initial support for TI's K3 generation of SoCs

Add support for Texas Instruments' K3 Generation Processor
families.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig
new file mode 100644
index 0000000..552b849
--- /dev/null
+++ b/arch/arm/mach-k3/Kconfig
@@ -0,0 +1,12 @@
+if ARCH_K3
+
+choice
+	prompt "Texas Instruments' K3 based SoC select"
+	optional
+
+endchoice
+
+config SYS_SOC
+	default "k3"
+
+endif