kernel: bump 6.12 to 6.12.36

kernel: bump 6.12 to 6.12.36

Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.36

Remove upstream patches:
  generic/backport-6.12/780-09-v6.13-r8169-add-support-for-RTL8125D.patch[1]
  generic/backport-6.12/781-04-v6.13-net-phy-realtek-merge-the-drivers-for-internal-NBase.patch[2]
  generic/backport-6.12/781-05-v6.13-net-phy-realtek-add-RTL8125D-internal-PHY.patch[3]

All other patches are automatically refreshed.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.36&id=37cb5967bd2513416398ff1a87a5ee2e63270b00
[2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.36&id=5eb0b10eea271e2e1f7d4fa1a6af6c09b2ecc4f5
[3] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.36&id=5d479182d4ccde76df830a72927b3bdaafd142bf

Signed-off-by: Shiji Yang <[email protected]>
Tested-by: John Audia <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/19317
Signed-off-by: Hauke Mehrtens <[email protected]>