staging: vt6656: create vnt_control_in_u8 to replace ControlvReadByte

ControlvReadByte will be removed in next patch

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/vt6656/wcmd.c b/drivers/staging/vt6656/wcmd.c
index 79f7463..91754fd 100644
--- a/drivers/staging/vt6656/wcmd.c
+++ b/drivers/staging/vt6656/wcmd.c
@@ -861,7 +861,7 @@
 		break;
 
 	case WLAN_CMD_MAC_DISPOWERSAVING_START:
-		ControlvReadByte(pDevice, MESSAGE_REQUEST_MACREG, MAC_REG_PSCTL, &byData);
+		vnt_control_in_u8(pDevice, MESSAGE_REQUEST_MACREG, MAC_REG_PSCTL, &byData);
 		if ((byData & PSCTL_PS) != 0) {
 			// disable power saving hw function
 			vnt_control_out(pDevice,