mips: jz47xx: Add JZ4780 SoC support

Add initial support for the Ingenic JZ47xx MIPS SoC.

Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Reviewed-by: Marek Vasut <marex@denx.de>
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index fe041f0..194f4f3 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -93,6 +93,12 @@
 	select SUPPORTS_LITTLE_ENDIAN
 	select SYSRESET
 
+config ARCH_JZ47XX
+	bool "Support Ingenic JZ47xx"
+	select SUPPORT_SPL
+	select OF_CONTROL
+	select DM
+
 config MACH_PIC32
 	bool "Support Microchip PIC32"
 	select DM
@@ -145,6 +151,7 @@
 source "arch/mips/mach-ath79/Kconfig"
 source "arch/mips/mach-mscc/Kconfig"
 source "arch/mips/mach-bmips/Kconfig"
+source "arch/mips/mach-jz47xx/Kconfig"
 source "arch/mips/mach-pic32/Kconfig"
 source "arch/mips/mach-mt7620/Kconfig"