format: Add support for Raw PCM Signed 16 bits Little Endian

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
diff --git a/src/formats.c b/src/formats.c
index 8f51c2d..9e5d07b 100644
--- a/src/formats.c
+++ b/src/formats.c
@@ -30,6 +30,7 @@
 extern const struct format_desc fmt_racal_hr;
 extern const struct format_desc fmt_racal_fr;
 extern const struct format_desc fmt_racal_efr;
+extern const struct format_desc fmt_rawpcm_s16le;
 
 static const struct format_desc *supported_formats[_FMT_MAX] = {
 	[FMT_INVALID]		= NULL,
@@ -40,6 +41,7 @@
 	[FMT_RACAL_HR]		= &fmt_racal_hr,
 	[FMT_RACAL_FR]		= &fmt_racal_fr,
 	[FMT_RACAL_EFR]		= &fmt_racal_efr,
+	[FMT_RAWPCM_S16LE]	= &fmt_rawpcm_s16le,
 };