v1.3-rc2

Release candidate 2 for SOF 1.3

Features (WIP)

kconfig and cmake support added.
Support for HDMI and HDA
PM support for S3, S0iX
EDF and Low Latency scheduler updates.
DW DMA updates and fixes.
GDB support

Results (courtesy of @stevyan)

DUT	Device Codec	Driver loaded	PCM devices list	HDMI/DP playback	Analogue playback	Analogue capture	DMIC capture	Volume Change	Unload/reload(100 iterations)	Runtime PM	S3 w/o playback(100 iterations)	S3 w/I2S playback(100 iterations)	S3 w/HDMI playback(100 iterations)
BYT MinnowBoard	nocodec	Passed	Passed	N/A	Passed	Passed	N/A	Passed	Passed	N/A	N/A	N/A	N/A
rt5651	Passed	Passed	N/A	Passed	Passed	N/A	Passed	Passed	N/A	N/A	N/A	N/A
APL UP2	nocodec	Passed	Passed	N/A	Passed	Passed	Passed	Passed	Passed	Passed	Passed	Passed	N/A
nocodec(xcc)	-	-	N/A	-	-	-	-	-	-	-	-	N/A
pcm512x	Passed	Passed	Passed	Passed	N/A	N/A	Passed	Passed	Passed	Passed	Passed	Failed | 1 (#489)
pcm512x(xcc)	-	-	-	-	N/A	N/A	-	-	-	-	-	-

Test case:
FW loading and version check
Channel test
Check the left/right channel with different input frequency.
Tplg loading
Playback test
Check playback with supported format and frequency, also check with the period size(4m, 192) and buffer size(384)
Capture test
Check playback with supported format and frequency, also check with the period size(4m, 192) and buffer size(384)
Pause/resume test
Pause/release during playback/capture/playback+capture.
Modules reloadable test
Modules reload for 100 times
Simultaneous playback and capture test
Do playback and capture at same time
Nocodec DMIC
Check with nocodec dmic tplg
Suspend/resume
Check the runtime_PM status and S3
SRC
Check audio playback with 8K/16K/32K/48K (16bit/32bit) audio wav files.