MIPS: Add support for Microchip PIC32MZ[DA] SoC family.

Add Microchip PIC32MZ[DA] SoC family support.

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff --git a/arch/mips/mach-pic32/Kconfig b/arch/mips/mach-pic32/Kconfig
index c1cc5e3..f636266 100644
--- a/arch/mips/mach-pic32/Kconfig
+++ b/arch/mips/mach-pic32/Kconfig
@@ -2,6 +2,21 @@
 	depends on MACH_PIC32
 
 config SYS_SOC
-	default "none"
+	default "pic32mzda" if SOC_PIC32MZDA
+
+choice
+	prompt "PIC32 SoC select"
+
+config SOC_PIC32MZDA
+	bool "Microchip PIC32MZ[DA] family"
+	select SUPPORTS_LITTLE_ENDIAN
+	select SUPPORTS_CPU_MIPS32_R1
+	select SUPPORTS_CPU_MIPS32_R2
+	select MIPS_L1_CACHE_SHIFT_4
+	select SYS_MIPS_CACHE_INIT_RAM_LOAD
+	help
+	  This supports Microchip PIC32MZ[DA] family of microcontrollers.
+
+endchoice
 
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