libertas: speeds up downloading of CF firmware

Keep the timeout the same (1000*500 == 100000 * 5), but take shorter
naps. Makes downloading the firmware slightly faster.
Signed-off-by: NHolger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: NDan Williams <dcbw@redhat.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas/if_cs.c

@@ -148,11 +148,11 @@ static int if_cs_poll_while_fw_download(struct if_cs_card *card, uint addr, u8 r
 {
 	int i;
 
-	for (i = 0; i < 1000; i++) {
+	for (i = 0; i < 100000; i++) {
 		u8 val = if_cs_read8(card, addr);
 		if (val == reg)
 			return i;
-		udelay(500);
+		udelay(5);
 	}
 	return -ETIME;
 }