ASoC: SOF: Wire up buffer flags

Buffer flags have been in firmware for ages but were never fully
implemented in the topology/kernel system. This commit finishes off the
implementation.
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Curtis Malainey <cujomalainey@chromium.org>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20231204214713.208951-5-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/uapi/sound/sof/tokens.h

@@ -35,6 +35,7 @@
 /* buffers */
 #define SOF_TKN_BUF_SIZE			100
 #define SOF_TKN_BUF_CAPS			101
+#define SOF_TKN_BUF_FLAGS			102
 
 /* DAI */
 /* Token retired with ABI 3.2, do not use for new capabilities

sound/soc/sof/ipc3-topology.c

@@ -72,6 +72,8 @@ static const struct sof_topology_token buffer_tokens[] = {
 		offsetof(struct sof_ipc_buffer, size)},
 	{SOF_TKN_BUF_CAPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 		offsetof(struct sof_ipc_buffer, caps)},
+	{SOF_TKN_BUF_FLAGS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
+		offsetof(struct sof_ipc_buffer, flags)},
 };
 
 /* DAI */