kernel: update linux 3.6 to 3.6.7

include/kernel-version.mk

target/linux/brcm63xx/Makefile

...et/linux/brcm63xx/patches-3.6/404-bcm963xx_flashmap.patch

...patches-3.6/438-MIPS-BCM63XX-enable-USB-for-BCM6328.patch

...patches-3.6/441-MIPS-BCM63XX-enable-USB-for-BCM6362.patch

target/linux/generic/config-3.6.new

.../linux/generic/patches-3.6/653-disable_netlink_trim.patch

target/linux/lantiq/Makefile

target/linux/malta/Makefile

.../linux/malta/patches-3.6/001-MIPS-fix-CBUS-UART-irq.patch

.../malta/patches-3.6/002-MIPS-Malta-fix-build-failure.patch

target/linux/ramips/Makefile

...atches-3.6/011-mtd-cfi_cmdset_0002-force-word-write.patch

target/linux/sparc/Makefile

target/linux/uml/Makefile

.../linux/uml/patches-3.6/901-lib_zlib_deflate_visible.patch