Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64

Pull arm64 fixes from Catalin Marinas:

 - Fix !SMP build error.

 - Fix padding computation in struct ucontext (no ABI change).

 - Minor clean-up after the signal patches (unused var).

 - Two old Kconfig options clean-up.

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
  arm64: Kconfig.debug: Remove unused CONFIG_DEBUG_ERRORS
  arm64: Do not select GENERIC_HARDIRQS_NO_DEPRECATED
  arm64: fix padding computation in struct ucontext
  arm64: Fix build error with !SMP
  arm64: Removed unused variable in compat_setup_rt_frame()