Pull arm64 fixes from Will Deacon:
- Wire up compat_sys_execveat for compat (AArch32) tasks
- Revert 421520ba9829, as this breaks our side of the boot protocol
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: partially revert "ARM: 8167/1: extend the reserved memory for initrd to be page aligned"
arm64: compat: wire up compat_sys_execveat