staging: most: usb: pass correct register table

Inside the function store_value() the table of writable registers need to
be passed to function get_static_reg_addr() or else the correct register
address is never going to be found.
Reported-by: Alex Riesen <alexander.riesen@cetitec.com>
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/most/hdm-usb/hdm_usb.c

@@ -1005,7 +1005,7 @@ static ssize_t store_value(struct most_dci_obj *dci_obj,
 		err = drci_wr_reg(usb_dev, dci_obj->reg_addr, val);
 	else if (!strcmp(name, "sync_ep"))
 		err = start_sync_ep(usb_dev, val);
-	else if (!get_static_reg_addr(ro_regs, name, &reg_addr))
+	else if (!get_static_reg_addr(rw_regs, name, &reg_addr))
 		err = drci_wr_reg(usb_dev, reg_addr, val);
 	else
 		return -EFAULT;