kernel: bump 6.12 to 6.12.46

kernel: bump 6.12 to 6.12.46

Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.46

Removed upstreamed:
	backport-6.12/600-01-v6.14-net-dsa-add-hook-to-determine-whether-EEE-is-support.patch[1]
	generic-backport/600-02-v6.14-net-dsa-provide-implementation-of-.support_eee.patch[2]
	generic/backport-6.12/610-02-v6.14-net-dsa-b53-bcm_sf2-implement-.support_eee-method.patch[3]
	generic/backport-6.12/610-05-v6.16-net-dsa-b53-do-not-enable-EEE-on-bcm63xx.patch[4]
	generic/backport-6.12/621-proc-fix-missing-pde_set_flags.patch[5]
	generic/pending-6.12/742-net-ethernet-mtk_eth_soc-fix-tx-vlan-tag-for-llc-pac.patch[6]

Manually rebased:
	bcm27xx/patches-6.12/950-0347-net-macb-Also-set-DMA-coherent-mask.patch

All other patches automatically rebased.

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.46&id=f7976772b16a7da725f9156c5ab6472ba22e3bc0
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.46&id=cda6c5c095e1997e63ed805ed3191f3d2af806a0
3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.46&id=b765b9ee4e5a82e9d0e5d0649bf031e8a8b90b3d
4. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.46&id=3fbe3f4c57fda09f32e13fa05f53a0cc6f500619
5. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.46&id=3eebe856d09b6bdd8df99eb67203c831f23e21d7
6. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.46&id=f8b4b6f7c2bbfa33e50b8cc946c161172cdefbd5

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

Signed-off-by: John Audia <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/20003
Signed-off-by: Robert Marko <[email protected]>