Revert "lib: Update RWSEM to Linux 3.10"

This reverts commit 1a8609ac0702e0b208f7fd90b6f5ab03cd4a9dd6.
Cl3Kenerify The Kernel

Make is look like I build my kernel no matter who builds it :)

Signed Off By: Chester Kener <Cl3Kener@gmail.com>