staging: remove intel_sst driver

Intel has asked that this driver now be removed from the tree, and I am
happy to oblige.

Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
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/intel_sst/Kconfig
Simple merge

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

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

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

diff --cc drivers/staging/intel_sst/intel_sst.h
Simple merge

diff --cc drivers/staging/intel_sst/intel_sst_app_interface.c
Simple merge

diff --cc drivers/staging/intel_sst/intel_sst_common.h
Simple merge

diff --cc drivers/staging/intel_sst/intel_sst_drv_interface.c
Simple merge

diff --cc drivers/staging/intel_sst/intel_sst_dsp.c
Simple merge

diff --cc drivers/staging/intel_sst/intel_sst_fw_ipc.h
Simple merge

diff --cc drivers/staging/intel_sst/intel_sst_ioctl.h
Simple merge

diff --cc drivers/staging/intel_sst/intel_sst_ipc.c
Simple merge

diff --cc drivers/staging/intel_sst/intel_sst_pvt.c
Simple merge

diff --cc drivers/staging/intel_sst/intel_sst_stream.c
Simple merge

diff --cc drivers/staging/intel_sst/intel_sst_stream_encoded.c
Simple merge

diff --cc drivers/staging/intel_sst/intelmid.c
Simple merge

diff --cc drivers/staging/intel_sst/intelmid.h
Simple merge

diff --cc drivers/staging/intel_sst/intelmid_adc_control.h
Simple merge

diff --cc drivers/staging/intel_sst/intelmid_ctrl.c
Simple merge

diff --cc drivers/staging/intel_sst/intelmid_msic_control.c
Simple merge

diff --cc drivers/staging/intel_sst/intelmid_pvt.c
Simple merge

diff --cc drivers/staging/intel_sst/intelmid_snd_control.h
Simple merge

diff --cc drivers/staging/intel_sst/intelmid_v0_control.c
Simple merge

diff --cc drivers/staging/intel_sst/intelmid_v1_control.c
Simple merge

diff --cc drivers/staging/intel_sst/intelmid_v2_control.c
Simple merge