kernel: bump 6.6 to 6.6.100

kernel: bump 6.6 to 6.6.100

Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.100
Manually refreshed:
    823-v6.12-0003-nvmem-layouts-add-U-Boot-env-layout.patch
All other patches auto-refreshed.

Signed-off-by: Leo Barsky <leobrsky@proton.me>
Link: https://github.com/openwrt/openwrt/pull/19514
(cherry picked from commit 05d344cb2ca3b95f6c3536981af4fd85122eae0d)
Co-authored-by: Goetz Goerisch <ggoerisch@gmail.com>
Signed-off-by: Goetz Goerisch <ggoerisch@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/19533
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>