drivers/staging: use current->state helpers

Call __set_current_state() instead of assigning the new state directly.
These interfaces also aid CONFIG_DEBUG_ATOMIC_SLEEP environments,
keeping track of who changed the state.

Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/comedi/drivers/me_daq.c
Simple merge

diff --cc drivers/staging/dgnc/dgnc_utils.c
Simple merge

diff --cc drivers/staging/panel/panel.c
Simple merge

diff --cc drivers/staging/speakup/selection.c
Simple merge

diff --cc drivers/staging/unisys/include/timskmod.h
Simple merge