MycroftOS: Try to get the 4-mic speaker driver working.

More information; https://github.com/respeaker/seeed-voicecard/issues/246

buildroot-external/package/respeaker/0002-Set-codec_dai-clockspeed-to-24000000.patch

@@ -0,0 +1,24 @@
+From 6daeedb4399a8129a2748efdc3ac97bf61b2db5d Mon Sep 17 00:00:00 2001
+From: j1nx <p.steenbergen@j1nx.nl>
+Date: Fri, 4 Sep 2020 14:14:58 +0200
+Subject: [PATCH 1/1] Set codec_dai clockspeed to 24000000
+
+---
+ seeed-voicecard.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/seeed-voicecard.c b/seeed-voicecard.c
+index 1ed9a0e..630939b 100644
+--- a/seeed-voicecard.c
++++ b/seeed-voicecard.c
+@@ -457,6 +457,7 @@ static int seeed_voice_card_dai_link_of(struct device_node *node,
+ 	#else
+ 	ret = asoc_simple_parse_clk_codec(dev, codec, dai_link, codec_dai);
+ 	#endif
++	codec_dai->sysclk = 24000000;
+ 	if (ret < 0)
+ 		goto dai_link_of_err;
+ 
+-- 
+2.20.1
+