patches/openwrt: Linux kernel: update to version 5.15.118

Manually rebased:
	backport-5.15/346-v5.18-01-Revert-ata-ahci-mvebu-Make-SATA-PHY-optional-for-Arm.patch
	backport-5.15/603-v5.19-page_pool-Add-recycle-stats-to-page_pool_put_page_bu.patch
	pending-5.15/723-net-mt7531-ensure-all-MACs-are-powered-down-before-r.patch*

Removed upstreamed:
	backport-5.15/705-12-v6.0-net-dsa-mt7530-rework-mt753-01-_setup.patch[2]
	backport-5.15/703-10-v5.16-net-dsa-introduce-helpers-for-iterating-through-port.patch[4]