4.2-stable patches

4.2-stable patches

added patches:
	asoc-rt5640-fix-line-out-no-sound-issue.patch
	asoc-rt5645-add-struct-dmi_system_id-google-celes-for-chrome-platform.patch
	asoc-samsung-remove-redundant-arndale_audio_remove.patch
	doc-usb-gadget-testing-using-the-updated-testusb.c.patch
	libxfs-readahead-of-dir3-data-blocks-should-use-the-read-verifier.patch
	spi-bcm2835-set-up-spi-mode-before-asserting-cs-gpio.patch
	spi-dw-allow-interface-drivers-to-limit-data-i-o-to-word-sizes.patch
	spi-fix-regression-in-spi-bitbang-txrx.h.patch
	spi-img-spfi-check-for-timeout-error-before-proceeding.patch
	spi-img-spfi-fix-kbuild-test-robot-warning.patch
	spi-img-spfi-fix-multiple-calls-to-request-gpio.patch
	spi-omap2-mcspi-add-runtime-pm-to-set_cs.patch
	spi-orion-on-a38x-implement-50mhz-spi-ac-timing-erratum-no.-fe-9144572.patch
	spi-sh-msiof-fix-fifo-size-to-64-word-from-256-word.patch
	tty-serial-men_z135_uart.c-fix-race-between-irq-and-set_termios.patch
	usb-dwc3-ep0-fix-mem-corruption-on-out-transfers-of-more-than-512-bytes.patch
	usb-ftdi_sio-added-custom-pid-for-customware-products.patch
	usb-gadget-f_uac2-finalize-wmaxpacketsize-according-to-bandwidth.patch
	usb-gadget-m66592-udc-forever-loop-in-set_feature.patch
	usb-host-ehci-sys-delete-useless-bus_to_hcd-conversion.patch
	usb-pl2303-fix-baud-rate-divisor-calculations.patch
	usb-qcserial-add-hp-lt4111-lte-ev-do-hspa-gobi-4g-module.patch
	usb-symbolserial-use-usb_get_serial_port_data.patch
	xfs-fix-file-type-directory-corruption-for-btree-directories.patch
	xfs-fix-xfs_attr_leafblock-definition.patch
	xfs-return-errors-from-partial-i-o-failures-to-files.patch