[SQUASHME] ASoC: SOF: Kconfig: cleanups for upstream

Checkpatch cleanups.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>

Author: lrgirdwo

sound/soc/sof/Kconfig

@@ -9,8 +9,9 @@ config SND_SOC_SOF
 	select SND_SOC_TOPOLOGY
 	select SND_SOC_COMPRESS
 	help
-          This adds support for SOF
-          Say Y if you have such a device.
+          This adds support for Sound Open Firmware (SOF). SOF is a free and
+	  generic open source audio DSP firmware for multiple devices.
+          Say Y if you have such a device that is supported by SOF.
           If unsure select "N".
 
 config SND_SOC_SOF_NOCODEC