ASoC: SOF: bump SOF_ABI_MINOR

Commit a0f84df ("ASoC: SOF: IPC: dai: Expand DAI_CONFIG IPC flags")
did not update the SOF_ABI_MINOR, bump to version 20 before new
changes are added.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

Author: plbossart

include/uapi/sound/sof/abi.h

@@ -28,7 +28,7 @@
 
 /* SOF ABI version major, minor and patch numbers */
 #define SOF_ABI_MAJOR 3
-#define SOF_ABI_MINOR 19
+#define SOF_ABI_MINOR 20
 #define SOF_ABI_PATCH 1
 
 /* SOF ABI version number. Format within 32bit word is MMmmmppp */