Bluetooth: btmtksdio: move struct reg_read_cmd to common file

move struct reg_read_cmd to btmtk.h to allow other mtk drivers refer to.
Signed-off-by: NSean Wang <sean.wang@mediatek.com>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/btmtk.h

@@ -87,6 +87,13 @@ struct btmtk_sco {
 	u8 channel_select_config;
 } __packed;
 
+struct reg_read_cmd {
+	u8 type;
+	u8 rsv;
+	u8 num;
+	__le32 addr;
+} __packed;
+
 struct reg_write_cmd {
 	u8 type;
 	u8 rsv;

drivers/bluetooth/btmtksdio.c

@@ -800,12 +800,7 @@ static int mt79xx_setup(struct hci_dev *hdev, const char *fwname)
 static int btmtksdio_mtk_reg_read(struct hci_dev *hdev, u32 reg, u32 *val)
 {
 	struct btmtk_hci_wmt_params wmt_params;
-	struct reg_read_cmd {
-		u8 type;
-		u8 rsv;
-		u8 num;
-		__le32 addr;
-	} __packed reg_read = {
+	struct reg_read_cmd reg_read = {
 		.type = 1,
 		.num = 1,
 	};