initrd: Add initrd.cpio

initrd: Add /dev/mmcblk1 and /dev/mmcblk1p1 .. p7 nods
MIPS: Add scripts for initrd
MIPS: Add compilation of uImage and zImage
MIPS: Add entry and filesize scripts
gitignore: Ignore modules.builtin
MIPS: Patch ptrace.h for JZ_TCSM driver
MIPS: Fix mpage.c
Fix vt.h for JZSOC
MIPS: Silence stupid GCC errors on panic() call with static char foo[] argument
MIPS: Backport generic div64 and delay. Since h __asm__ qualifier was deprecated in GCC 4.4 and later it became impossible to compile with later GCC versions. It was resolved with replacing __asm__ portions with generic c code.
MIPS: Set NR_IRQS to 256, this fixes booting
Patch MIPS gpio headers for JZSOC
MIPS: JZ4750D: Add platform code for JZ4755D and a380/rzx50 boards
Patch usb core for JZSOC
usb: JZ4750D: Add usb host for JZSOC
usb gadget: JZ4750D: Add dirty usb gadget drivers
input: JZ4750D: Add dirty keypad drivers for a380 and rzx50
jzchar: JZ4750D: Add JZCHAR drivers
Patch fbmem.c for ingenic-specific ioctls
Patch fbcon for software flashing cursor