am ef3644d1: am 312be567: Merge "Use ARMv6 instruction for handling byte order"

Merge commit 'ef3644d110bcb44010672c0ad0bc7c96fd130c8f'

* commit 'ef3644d110bcb44010672c0ad0bc7c96fd130c8f':
  Use ARMv6 instruction for handling byte order