ASoC: SOF: ops: add snd_sof_dsp_updateb() helper

Add missing helper in SOF toolbox.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20221024165310.246183-5-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/ops.h

@@ -356,6 +356,17 @@ static inline u64 snd_sof_dsp_read64(struct snd_sof_dev *sdev, u32 bar,
 		return readq(sdev->bar[bar] + offset);
 }
 
+static inline void snd_sof_dsp_updateb(struct snd_sof_dev *sdev, u32 bar,
+				       u32 offset, u8 value, u8 mask)
+{
+	u8 reg;
+
+	reg = snd_sof_dsp_readb(sdev, bar, offset);
+	reg &= ~mask;
+	reg |= value;
+	snd_sof_dsp_writeb(sdev, bar, offset, reg);
+}
+
 /* block IO */
 static inline int snd_sof_dsp_block_read(struct snd_sof_dev *sdev,
 					 enum snd_sof_fw_blk_type blk_type,