kernel: bump 6.6 to 6.6.70

Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.70

Removed upstreamed:
	generic/backport-6.6/902-net-llc-reset-skb-transport_header.patch[1]
	generic/pending-6.6/605-netfilter-nft_set_hash-unaligned-atomic-read-on-stru.patch[2]

All other patches automatically rebased.

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.70&id=0c896816aa193e6459fc947747e5753c06b395b9
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.70&id=4f49349c1963e507aa37c1ec05178faeb0103959



Build system: x86/64
Build-tested: bcm27xx/bcm2712, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3
Run-tested: bcm27xx/bcm2712, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3

Signed-off-by: John Audia <therealgraysky@proton.me>
Link: https://github.com/openwrt/openwrt/pull/17545


Signed-off-by: Robert Marko <robimarko@gmail.com>