Merge 'arm64/for-next/fixes' into for-next/bti

Needed for the arch/arm64/kernel/entry-ftrace.S fix.

* commit 'arm64/for-next/fixes^^':
  arm64: ftrace: add missing BTIs
  arm64: kexec: use __pa_symbol(empty_zero_page)
  arm64: update PAC description for kernel