staging: csr: remove oska submodule

Turns out nothing in this module was being used at all, so instead of
deleting it piece by piece, just remove the whole thing.  I don't know
why it was added in the first place.

Cc: Mikko Virkkilä <mikko.virkkila@bluegiga.com>
Cc: Lauri Hintsala <Lauri.Hintsala@bluegiga.com>
Cc: Riku Mettälä <riku.mettala@bluegiga.com>
Cc: Veli-Pekka Peltola <veli-pekka.peltola@bluegiga.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/csr/Makefile
Simple merge

diff --cc drivers/staging/csr/oska/Makefile
Simple merge

diff --cc drivers/staging/csr/oska/alloc.h
Simple merge

diff --cc drivers/staging/csr/oska/event.c
Simple merge

diff --cc drivers/staging/csr/oska/event.h
Simple merge

diff --cc drivers/staging/csr/oska/mutex.h
Simple merge

diff --cc drivers/staging/csr/oska/oska_module.c
Simple merge

diff --cc drivers/staging/csr/oska/semaphore.h
Simple merge

diff --cc drivers/staging/csr/oska/spinlock.h
Simple merge

diff --cc drivers/staging/csr/oska/thread.c
Simple merge

diff --cc drivers/staging/csr/oska/thread.h
Simple merge

diff --cc drivers/staging/csr/oska/trace.h
Simple merge

diff --cc drivers/staging/csr/oska/util.h
Simple merge