resync 2.6.32 support with changes in 2.6.30

target/linux/rdc/config-2.6.32

...inux/rdc/patches-2.6.32/001-rdc321x_mfd_southbridge.patch

target/linux/rdc/patches-2.6.32/002-rdc321x_gpio.patch

...rdc/patches-2.6.32/003-rdc321x_watchdog_southbridge.patch

...et/linux/rdc/patches-2.6.32/004-rdc321x_defs_remove.patch

target/linux/rdc/patches-2.6.32/006-yenta_mistery.patch

target/linux/rdc/patches-2.6.32/012-export_erase_write.patch

target/linux/rdc/patches-2.6.32/100-platform_support.patch

target/linux/rdc/patches-2.6.32/100-rdc_boards.patch

...t/linux/rdc/patches-2.6.32/110-rdc321x_watchdog_fix.patch