topology: set glk kwd pipeline rate to 16kHz

Currently glk kwd pipeline is set to run at 48kHz. This rate is wrong
and will create too big buffers and we will run out of memory. So set
the kwd pipeline rate to 16kHz.

Signed-off-by: Jaska Uimonen <jaska.uimonen@intel.com>

Author: Jaska Uimonen

tools/topology/sof-glk-da7219-kwd.m4

@@ -145,7 +145,7 @@ DAI_ADD(sof/pipe-dai-playback.m4,
 PIPELINE_PCM_ADD(sof/pipe-kfbm-capture.m4,
 	8, 8, 2, s16le,
 	KWD_PIPE_SCH_DEADLINE_US, 0, 0,
-	48000, 48000, 48000)
+	16000, 16000, 16000)
 
 # capture DAI is DMIC 1 using 2 periods
 # Buffers use s16le format, with 320 frame per 20000us on core 0 with priority 0