ramips: add 2.6.39 support

...atches-2.6.39/001-mips-add-cp0-compare-irq-function.patch

...6.39/010-mtd_fix_cfi_cmdset_0002_erase_status_check.patch

...hes-2.6.39/011-mtd-cfi_cmdset_0002-force-word-write.patch

...et/linux/ramips/patches-2.6.39/100-mips-ralink-core.patch

...ramips/patches-2.6.39/101-rt288x_serial_driver_hack.patch

...ux/ramips/patches-2.6.39/102-rt288x-pci-driver-hook.patch

target/linux/ramips/patches-2.6.39/103-ethernet.patch

...ux/ramips/patches-2.6.39/104-ramips-watchdog-driver.patch

...ips/patches-2.6.39/950-convert-to-new-irq-functions.patch

target/linux/ramips/rt288x/config-2.6.39

target/linux/ramips/rt305x/config-2.6.39