am fdc5c1f5: Re-enable ARMv7 memcpy implementation.

Merge commit 'fdc5c1f56f9d21034badb8e4b092c47098f19613'

* commit 'fdc5c1f56f9d21034badb8e4b092c47098f19613':
  Re-enable ARMv7 memcpy implementation.