Initial kernel config file.
Initial support for mips32r2 Xburst cores.

This patch covers JZ4770, JZ4775 and JZ4780.
JZ4780 linux core files.
Initial support for the JZ4780 interrupt controller.
Initial support for the JZ4780 NEMC subsystem.
It is needed for the ethernet and NAND support.
Driver for the external DMA controller.
JZ4780 pinctrl driver.
Driver for the JZ4780 timer/counter unit.
Driver for the clock generator unit (CGU).
JZ4780 NAND driver.
Sopport for the JZ4780 uart ports.

This SoC has five uart ports.
Support for the JZ47XX watchdog.
JZ47XX MMC driver.
JZ47XX EHCI driver.
JZ47XX OHCI HCD driver.
JZ4780 DWC2 platform driver.
Davicom DM9000 support.

This patch adds support for the DM9000 MAC attached to the
NEMC bus.
Change the kernel load addres.

The kernel is loaded by the bootloader at address 0xffffffff80010000 so it must
be set in the kernel too.