kernel: update kernel 4.4 to 4.4.56

include/kernel-version.mk

...linux/ar71xx/patches-4.4/910-unaligned_access_hacks.patch

...es-4.4/120-bridge_allow_receiption_on_disabled_port.patch

...et/linux/generic/patches-4.4/630-packet_socket_type.patch

...linux/generic/patches-4.4/640-bridge_no_eap_forward.patch

...ux/generic/patches-4.4/641-bridge_always_accept_eap.patch

...t/linux/generic/patches-4.4/642-bridge_port_isolate.patch

.../linux/generic/patches-4.4/653-disable_netlink_trim.patch

...ches-4.4/680-NET-skip-GRO-for-foreign-MAC-addresses.patch

target/linux/generic/patches-4.4/721-phy_packets.patch

target/linux/generic/patches-4.4/901-debloat_sock_diag.patch

...tches-4.4/0010-MIPS-ralink-Add-a-few-missing-clocks.patch

target/linux/ramips/patches-4.4/0068-fix-ralink-prom.patch

...0081-MIPS-ralink-Fix-invalid-assignment-of-SoC-type.patch

...ps/patches-4.4/0720-arch-mips-ralink-add-i2c-clocks.patch