crypto: lzo - use kvfree() helper

kvfree() helper is now available, use it instead of open code it.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Chet Kener <Cl3Kener@gmail.com>
Revert "lib/lzo: huge LZO decompression speedup on ARM by using unaligned access"

This reverts commit 31ce52cbd0b321704ce5d5b67e63adf6abe05287.
Merge Upstream LZO

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