4.15-stable patches

4.15-stable patches

added patches:
	ahci-add-intel-cannon-lake-pch-h-pci-id.patch
	ahci-add-pci-ids-for-intel-bay-trail-cherry-trail-and-apollo-lake-ahci.patch
	ahci-allow-setting-a-default-lpm-policy-for-mobile-chipsets.patch
	ahci-annotate-pci-ids-for-mobile-intel-chipsets-as-such.patch
	kernfs-fix-regression-in-kernfs_fop_write-caused-by-wrong-type.patch
	mtd-cfi-convert-inline-functions-to-macros.patch
	mtd-nand-brcmnand-disable-prefetch-by-default.patch
	mtd-nand-fix-nand_do_read_oob-return-value.patch
	mtd-nand-sunxi-fix-ecc-strength-choice.patch
	nfs-add-a-cond_resched-to-nfs_commit_release_pages.patch
	nfs-commit-direct-writes-even-if-they-fail-partially.patch
	nfs-fix-a-race-between-mmap-and-o_direct.patch
	nfs-fix-nfsstat-breakage-due-to-lookupp.patch
	nfs-pnfs-fix-nfs_direct_req-ref-leak-when-i-o-falls-back-to-the-mds.patch
	nfs-reject-request-for-id_legacy-key-without-auxdata.patch
	nfs41-do-not-return-enomem-on-layoutunavailable.patch
	nfsd-detect-unhashed-stids-in-nfsd4_verify_open_stid.patch
	ubi-block-fix-locking-for-idr_alloc-idr_remove.patch
	ubi-fastmap-erase-outdated-anchor-pebs-during-attach.patch
	ubi-fix-race-condition-between-ubi-volume-creation-and-udev.patch
	ubifs-free-the-encrypted-symlink-target.patch