Pull hwspinlock updates from Bjorn Andersson:
 "This marks all hwspinlock driver COMPILE_TESTable and replaces the
  zero-length array in hwspinlock_device with a flexible-array member"

* tag 'hwlock-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc:
  hwspinlock: hwspinlock_internal.h: Replace zero-length array with flexible-array member
  hwspinlock: Allow drivers to be built with COMPILE_TEST