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/Kconfig b/arch/arm/Kconfig
index b711605..0f8dd32 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -646,6 +646,12 @@
 	imply CMD_SAVES
 	imply FIT
 
+config ARCH_K3
+	bool "Texas Instruments' K3 Architecture"
+	select SPL
+	select SUPPORT_SPL
+	select FIT
+
 config ARCH_OMAP2PLUS
 	bool "TI OMAP2+"
 	select CPU_V7A
@@ -1377,6 +1383,8 @@
 
 source "arch/arm/mach-integrator/Kconfig"
 
+source "arch/arm/mach-k3/Kconfig"
+
 source "arch/arm/mach-keystone/Kconfig"
 
 source "arch/arm/mach-kirkwood/Kconfig"
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 4e1b8cf..8f50560 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -58,6 +58,7 @@
 machine-$(CONFIG_ARCH_DAVINCI)		+= davinci
 machine-$(CONFIG_ARCH_EXYNOS)		+= exynos
 machine-$(CONFIG_ARCH_HIGHBANK)		+= highbank
+machine-$(CONFIG_ARCH_K3)		+= k3
 machine-$(CONFIG_ARCH_KEYSTONE)		+= keystone
 # TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD
 machine-$(CONFIG_KIRKWOOD)		+= kirkwood
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