5.0-stable patches

5.0-stable patches

added patches:
	bcache-never-writeback-a-discard-operation.patch
	bcache-treat-stale-dirty-keys-as-bad-keys.patch
	bcache-use-req_meta-req_prio-to-indicate-bio-for-metadata.patch
	cpcap-charger-generate-events-for-userspace.patch
	cpuidle-governor-add-new-governors-to-cpuidle_governors-again.patch
	mfd-sm501-fix-potential-null-pointer-dereference.patch
	nfs-don-t-recoalesce-on-error-in-nfs_pageio_complete_mirror.patch
	nfs-fix-an-i-o-request-leakage-in-nfs_do_recoalesce.patch
	nfs-fix-i-o-request-leakages.patch
	nfsd-fix-memory-corruption-caused-by-readdir.patch
	nfsd-fix-performance-limiting-session-calculation.patch
	nfsd-fix-wrong-check-in-write_v4_end_grace.patch
	nfsv4.1-reinitialise-sequence-results-before-retransmitting-a-request.patch
	pm-opp-update-performance-state-when-freq-old_freq.patch
	pm-wakeup-rework-wakeup-source-timer-cancellation.patch
	svcrpc-fix-udp-on-servers-with-lots-of-threads.patch