kernel: update linux 3.3 to 3.3.4

include/kernel-version.mk

target/linux/adm5120/Makefile

target/linux/adm8668/Makefile

target/linux/ar71xx/Makefile

target/linux/at91/Makefile

target/linux/avr32/Makefile

target/linux/brcm63xx/Makefile

...2-ehci-add-driver-for-bcm63xx-integrated-controller.patch

target/linux/brcm63xx/patches-3.3/501-board-NB4.patch

target/linux/brcm63xx/patches-3.3/550-alice_gate2_leds.patch

target/linux/brcm63xx/patches-3.3/800-wl_exports.patch

target/linux/cns21xx/Makefile

target/linux/generic/patches-3.3/100-overlayfs_v12.patch

...t/linux/generic/patches-3.3/120-ppp_txqueue_restart.patch

...t/linux/generic/patches-3.3/642-bridge_port_isolate.patch

...ric/patches-3.3/644-bridge_optimize_netfilter_hooks.patch

...ux/lantiq/patches-3.3/0044-MIPS-lantiq-adds-dwc_otg.patch

target/linux/malta/Makefile

target/linux/mpc52xx/Makefile

target/linux/ppc40x/Makefile