use upstream MFD, GPIO patch, put everything in patches.

target/linux/rdc/config-2.6.30

.../linux/rdc/files-2.6.30/arch/x86/include/asm/rdc_boards.h

target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/Makefile

...ux/rdc/files-2.6.30/arch/x86/mach-rdc321x/boards/ar525w.c

...c/files-2.6.30/arch/x86/mach-rdc321x/boards/bifferboard.c

...nux/rdc/files-2.6.30/arch/x86/mach-rdc321x/boards/r8610.c

...x/rdc/files-2.6.30/arch/x86/mach-rdc321x/boards/sitecom.c

target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/gpio.c

target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/pci.c

...t/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/platform.c

target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/reboot.c

target/linux/rdc/files-2.6.30/drivers/watchdog/rdc321x_wdt.c

...inux/rdc/patches-2.6.30/001-rdc321x_mfd_southbridge.patch

target/linux/rdc/patches-2.6.30/002-platform_support.patch

target/linux/rdc/patches-2.6.30/002-rdc321x_gpio.patch

...rdc/patches-2.6.30/003-rdc321x_watchdog_southbridge.patch

...et/linux/rdc/patches-2.6.30/004-rdc321x_defs_remove.patch

target/linux/rdc/patches-2.6.30/005-fix_amit_breakage.patch

target/linux/rdc/patches-2.6.30/006-yenta_mistery.patch

target/linux/rdc/patches-2.6.30/100-rdc_boards.patch