Add LZO compression support to the kernel

Add LZO1X compression/decompression support to the kernel.

This is based on the standard userspace lzo library, particularly minilzo with the headers much trimmed down and simplified for kernel use. Its structured so that it should still diff with the userspace version for ease of future updating.

---
 include/linux/lzo.h |   63 ++
 lib/Kconfig         |    5 +
 lib/Makefile        |    1 +
 lib/lzo/Makefile    |    3 +
 lib/lzo/lzoconf.h   |  186 ++++++
 lib/lzo/lzodefs.h   |  463 ++++++++++++++
 lib/lzo/lzointf.c   |   37 ++
 lib/lzo/minilzo.c   | 1771 +++++++++++++++++++++++++++++++++++++++++++++++++++
 8 files changed, 2529 insertions(+), 0 deletions(-)

http://folks.o-hand.com/richard/lzo/lzo_kernel-r1.patch
(since it exceeds the file size limit for LKML)