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

Signed-off-by: Markus F.X.J. Oberhumer <markus@oberhumer.com>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Signed-off-by: Chet Kener <Cl3Kener@gmail.com>
defconfig: enable lzo speedup with unaligned access