[][openwrt][common][Upgrade kernel version from 5.4.260 to 5.4.271]

[Description]
Change kernel version and hash in
201-change_kernel_version_and_hash_due_to_upgrading_from_5.4.260_to_5.4.271.patch
Fix the conflict in 999-1402-v6.4-mtd-spinand-backport-series-flash.patch
and 999-2601-pcie-add-multi-MSI-support.patch.

[Release-log]

Change-Id: I272fcff38189a3d0aed62acc83e7f7a014bce4d3
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8768701
4 files changed