orinoco: Annotate ezusb_docmd_wait()

All invocations of ezusb_docmd_wait() happen via ->cmd_wait(). This
callback is always invoked under the orinoco_lock() which disables BH.

Use ezusb_req_ctx_wait_poll() for ezusb_docmd_wait() because it must not
sleep.

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

drivers/net/wireless/intersil/orinoco/orinoco_usb.c

···
 static int ezusb_docmd_wait(struct hermes *hw, u16 cmd, u16 parm0,
 			    struct hermes_response *resp)
 {
-	return __ezusb_docmd_wait(hw, cmd, parm0, resp, ezusb_req_ctx_wait);
+	return __ezusb_docmd_wait(hw, cmd, parm0, resp, ezusb_req_ctx_wait_poll);
 }
 
 static int ezusb_bap_pread(struct hermes *hw, int bap,