wifi: rsi: rsi_91x_main: Remove unnecessary (void*) conversions

No need cast (void*) to (struct rsi_common *).

Signed-off-by: Wu Yunchuan <[e-mail]>
Signed-off-by: Kalle Valo <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

drivers/net/wireless/rsi/rsi_91x_main.c

···
 #ifdef CONFIG_RSI_COEX
 enum rsi_host_intf rsi_get_host_intf(void *priv)
 {
-	struct rsi_common *common = (struct rsi_common *)priv;
+	struct rsi_common *common = priv;
 
 	return common->priv->rsi_host_intf;
 }
 
 void rsi_set_bt_context(void *priv, void *bt_context)
 {
-	struct rsi_common *common = (struct rsi_common *)priv;
+	struct rsi_common *common = priv;
 
 	common->bt_adapter = bt_context;
 }