Revert "lzo update"

This reverts commit 372dda3410f4df46a4afee25d007677a7c26acad.
Revert "lib/lzo: huge LZO decompression speedup on ARM by using unaligned access"

This reverts commit 936d1641bef4cf7f4d2a600f4f58f40828c2d4da.
Revert "lib/lzo: Update LZO compression to current upstream version"

This reverts commit d239600e5ee2f89a8ce9bf2fd8e63a85b97db5d0.
Revert " lib/lzo: Rename lzo1x_decompress.c to lzo1x_decompress_safe.c"

This reverts commit 84a4ce22c259b6478b25472a15b28e07f83e1deb.