Staging: sep: remove driver

It's currently stalled and the original submitter recommended that it
just be dropped at this point in time due.

Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --cc drivers/staging/Kconfig
Simple merge

diff --cc drivers/staging/Makefile
Simple merge

diff --cc drivers/staging/sep/Kconfig
Simple merge

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

diff --cc drivers/staging/sep/TODO
Simple merge

diff --cc drivers/staging/sep/sep_dev.h
Simple merge

diff --cc drivers/staging/sep/sep_driver.c
Simple merge

diff --cc drivers/staging/sep/sep_driver_api.h
Simple merge

diff --cc drivers/staging/sep/sep_driver_config.h
Simple merge

diff --cc drivers/staging/sep/sep_driver_hw_defs.h
Simple merge