ipq40xx: refresh 6.12 kernel patches

ipq40xx: refresh 6.12 kernel patches

Remove upstreamed:
004-v6.7-firmware-qcom_scm-disable-SDI-if-required.patch [1]
709-ARM-dts-qcom-ipq4019-add-QCA8075-PHY-Package-nodes.patch [2]

Manually rebased:
422-firmware-qcom-scm-fix-SCM-cold-boot-address.patch
701-net-dsa-add-out-of-band-tagging-protocol.patch
850-soc-add-qualcomm-syscon.patch
900-PCI-qcom-add-hack-compatible-for-ipq4019-Lantiq-DSL.patch
910-Revert-firmware-qcom_scm-Clear-download-bit-during-r.patch

[1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-6.12.y&id=ff4aa3bc98258a240b9bbab53fd8d2fb8184c485
[2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-6.12.y&id=2338f4315f16b937e924ff679b91bb8c0ab53f25
Signed-off-by: Shiji Yang <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/18725
Signed-off-by: Hauke Mehrtens <[email protected]>