Renewed submission of Leap 15.0 update kernel, synced with SLE15 update.

- ALSA: opl3: fix mismatch between snd_opl3_drum_switch definition
and declaration (bsc#1051510).
- ALSA: hda - add Lenovo IdeaCentre B550 to the
power_save_blacklist (bsc#1051510).
- ALSA: firewire-motu: use 'version' field of unit directory to
identify model (bsc#1051510).
- ALSA: sb8: add a check for request_region (bsc#1051510).
- ALSA: echoaudio: add a check for ioremap_nocache (bsc#1051510).
- ALSA: firewire-motu: add support for Motu Traveler
(bsc#1051510).
- ALSA: firewire-motu: add a flag for AES/EBU on XLR interface
(bsc#1051510).
- ALSA: firewire: add const qualifier to identifiers for read-only
symbols (bsc#1051510).
- ALSA: firewire-motu: add support for MOTU Audio Express
(bsc#1051510).
- ALSA: firewire-motu: add specification flag for position of
flag for MIDI messages (bsc#1051510).
- commit 44777c3

- nvme: schedule requeue whenever a LIVE state is entered
(bsc#1123105).
- commit 8d25e58

- Move the upstreamed drm vmwgfx patch into sorted section
Also move to patches.drm subdirectory
- commit 31818d7

- drm/i915/bios: assume eDP is present on port A when there is
no VBT (bsc#1051510).