update to latest 2.6.27.26 stable kernel

include/kernel-version.mk

target/linux/ar7/Makefile

target/linux/brcm63xx/Makefile

...tches-2.6.27/002-add_support_for_broadcom_63xx_cpus.patch

.../generic-2.6/patches-2.6.27/023-mips_delay_gcc4.4.0.patch

...nux/generic-2.6/patches-2.6.27/024-mips_disable_fpu.patch

...ux/generic-2.6/patches-2.6.27/202-mips-freestanding.patch

.../linux/generic-2.6/patches-2.6.27/208-rtl8110sb_fix.patch

...ric-2.6/patches-2.6.27/801-usb_serial_endpoint_size.patch

...t/linux/generic-2.6/patches-2.6.27/971-ocf_20080917.patch

target/linux/generic-2.6/patches-2.6.27/980-vm_exports.patch

target/linux/olpc/Makefile