S5PC11X: JPEG: add ioctl to export memory configuration

This allows userspace libs3cjpeg to read memory configuration
from the kernel instead of using the hardcoded value.

Change-Id: I61248d659dbccf2e6cc656adc7fdf18773c2fcbd
aries: optimize JPEG memory configuration

Only 1MB is required for encoding of VGA JPEG images (used by FFC).
Note that thumbnail encoding function is not used.

Requires userspace change (http://review.cyanogenmod.org/56795).

Change-Id: Icea2fc74dfc692d98ae041b785238d6b847c4ddd
lib/lzo: Rename lzo1x_decompress.c to lzo1x_decompress_safe.c

Rename the source file to match the function name and thereby
also make room for a possible future even slightly faster
"non-safe" decompressor version.

Change-Id: I482ee415d43c5aaa77d34946ae1fa0af5465b007
Signed-off-by: Markus F.X.J. Oberhumer <markus@oberhumer.com>