Bug 826184: Update kernel with LMK, profiling and fixes

This commit adds the following changes to the PandaBoard kernel:

 - the low-memory killer
 - profiling (oprofile, perf)
 - MTU size fixes
 - detection of connected cables

The orangutan kernel module has been updated for the new kernel
binary.

Signed-off-by: Thomas Zimmermann <tdz@users.sourceforge.net>