drivers/sof: Add support for rt1019 speaker topology

Enables correct identification of boards using rt1019 speaker amplifier
by SOF Windows drivers.

TEST=tested with rest of patch train

Change-Id: I550dc8614e6e21d6d8715c12b7a4af35117497b5
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77739
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/drivers/sof/sof.c

@@ -19,6 +19,7 @@ static const char *get_spkr_tplg_str(enum _spkr_tplg tplg)
 	case max98390: return "max98390";
 	case rt1011: return "rt1011";
 	case rt1015: return "rt1015";
+	case rt1019: return "rt1019";
 	default: return "default";
 	}
 }