5.2-stable patches

5.2-stable patches

added patches:
	btrfs-fix-incremental-send-failure-after-deduplication.patch
	btrfs-fix-race-leading-to-fs-corruption-after-transaction-abort.patch
	dax-fix-missed-wakeup-in-put_unlocked_entry.patch
	drm-nouveau-only-release-vcpi-slots-on-mode-changes.patch
	fgraph-remove-redundant-ftrace_graph_notrace_addr-test.patch
	gpio-don-t-warn-on-null-descs-if-gpiolib-is-disabled.patch
	gpiolib-fix-incorrect-irq-requesting-of-an-active-low-lineevent.patch
	gpiolib-preserve-desc-flags-when-setting-state.patch
	ib-hfi1-fix-spectre-v1-vulnerability.patch
	kbuild-initialize-clang_flags-correctly-in-the-top-makefile.patch
	kbuild-modpost-include-.-.cmd-files-only-when-targets-exist.patch
	kconfig-clear-written-flag-to-avoid-data-loss.patch
	mmc-dw_mmc-fix-occasional-hang-after-tuning-on-emmc.patch
	mmc-host-sdhci-sprd-fix-the-missing-pm_runtime_put_noidle.patch
	mmc-meson-mx-sdio-fix-misuse-of-genmask-macro.patch
	mmc-mmc_spi-enable-stable-writes.patch
	tpm-fix-null-pointer-dereference-on-chip-register-error-path.patch