dm: sound: Rename samsung_i2s_priv to i2s_uc_priv

This structure contains information that is likely needed by any i2s
driver so it seems useful to attach it to the (forthcoming) i2c uclass.
For now, just rename it.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/i2s.h b/include/i2s.h
index 800473a..f23862c 100644
--- a/include/i2s.h
+++ b/include/i2s.h
@@ -76,7 +76,7 @@
 };
 
 /* This structure stores the i2s related information */
-struct samsung_i2s_priv {
+struct i2s_uc_priv {
 	unsigned int rfs;		/* LR clock frame size */
 	unsigned int bfs;		/* Bit slock frame size */
 	unsigned int audio_pll_clk;	/* Audio pll frequency in Hz */
@@ -96,7 +96,7 @@
  *
  * @return		int value 0 for success, -1 in case of error
  */
-int i2s_transfer_tx_data(struct samsung_i2s_priv *pi2s_tx, uint *data,
+int i2s_transfer_tx_data(struct i2s_uc_priv *pi2s_tx, unsigned int *data,
 			 unsigned long data_size);
 
 /*
@@ -106,6 +106,6 @@
  *
  * @return		int value 0 for success, -1 in case of error
  */
-int i2s_tx_init(struct samsung_i2s_priv *pi2s_tx);
+int i2s_tx_init(struct i2s_uc_priv *pi2s_tx);
 
 #endif /* __I2S_H__ */