kernel: bump 6.6 to 6.6.85

kernel: bump 6.6 to 6.6.85

Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.85

Removed upstreamed:
        bcm27xx/patches-6.6/950-1498-dts-bcm2711-PL011-UARTs-are-actually-r1p5.patch[1]
        bcm27xx/patches-6.6/950-1551-drm-v3d-Don-t-run-jobs-that-have-errors-flagged-in-i.patch[2]

Manually rebased:
        bcm27xx/patches-6.6/950-1512-dts-bcm2711-Don-t-mark-timer-regs-unconfigured.patch

All other patches automatically rebased.

1. https://web.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.85&id=61820187b3ef5a15aed7ef49ed1fcc13398b449c
2. https://web.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.85&id=7cd375d46afcce906cfcddf5aec6b318199d1f16

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

Signed-off-by: John Audia <therealgraysky@proton.me>
Link: https://github.com/openwrt/openwrt/pull/18379
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>