add patches from the -stable queue:

* add patches from the -stable queue:
  - spi-dw-mid-terminate-ongoing-transfers-at-exit
  - arm64-fix-compilation-error-on-up-builds
  - arm64-compat-fix-compat-types-affecting-struct
  - alsa-pcm-use-the-same-dma-mmap-codepath-both-for-arm-and-arm64
  - alsa-bebob-fix-failure-to-detect-source-of-clock-for-terratec-phase-88
  - alsa-emu10k1-fix-deadlock-in-synth-voice-lookup
  - alsa-alc283-codec-avoid-pop-noise-on-headphones-during-suspend-resume
  - alsa-usb-audio-add-support-for-steinberg-ur22-usb-interface
  - alsa-hda-hdmi-fix-missing-eld-change-event-on-plug-unplug
  - alsa-hda-fix-inverted-led-gpio-setup-for-lenovo-ideapad
  - alsa-hda-add-missing-terminating-entry-to-snd_hda_pin_quirk-macro
  - clk-qcom-add-ipq8064-pll-required-for-usb
  - arm-at91-dt-fix-typo-regarding-can0_clk
  - arm-at91-fix-at91sam9263ek-dt-mmc-pinmuxing-settings
  - arm-at91-pmc-don-t-forget-to-write-pmc_pcdr-register-to-disable-clocks
  - arm-kirkwood-fix-dt-based-dsa
  - arm-mvebu-netgear-rn104-use-hardware-bch-ecc
  - arm-mvebu-netgear-rn2120-use-hardware-bch-ecc
  - arm-mvebu-netgear-rn102-use-hardware-bch-ecc
  - arm-dts-imx28-evk-let-i2c0-run-at-100khz
  - ecryptfs-avoid-to-access-null-pointer-when-write-metadata-in-xattr
  - udf-fix-loading-of-special-inodes
  - vfio-pci-fix-remove-path-locking
  - xfs-ensure-wb_sync_all-writeback-handles-partial-pages-correctly
  - xfs-fix-agno-increment-in-xfs_inumbers-loop
* drop aufs3
* merge overlayfs from v3.18-rc2.
add original git ids

Signed-off-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
NOT RELEASED YET

* NOT RELEASED YET
* set ABI to 1.slh.6.
import 3.17.2-rc1.