Revert "Revert "lib/lzo: huge LZO decompression speedup on ARM by using unaligned access""

This reverts commit 969e6215b6fa67414c81f4cf365f74cbd6d4d877.

Signed-off-by: Chet Kener <Cl3Kener@gmail.com>

Conflicts:
	lib/lzo/lzodefs.h