linux-yocto/4.18: -rt sync and config cleanups
Integrating the following -rt patches:
cab37ca8426b rt: update localversion to match latest content
186274b2b6dc tty: serial: pl011: explicitly initialize the flags variable
ac121b7124a0 mm/kasan: make quarantine_lock a raw_spinlock_t
6100773500e7 watchdog: prevent deferral of watchdogd wakeup on RT
ce594291c4eb kthread: convert worker lock to raw spinlock
And the following configuration tweaks:
e39413ec2bdd sound.cfg: enable SND_SOC_INTEL_SKYLAKE
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
