mwifiex: correct sleep delay counter

commit 3e7a4ff7 upstream.

Maximum delay for waking up card is 50 ms. Because of typo in
counter, this delay goes to 500ms. This patch fixes the bug.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

drivers/net/wireless/mwifiex/pcie.c

@@ -290,7 +290,7 @@ static int mwifiex_pm_wakeup_card(struct mwifiex_adapter *adapter)
 		i++;
 		udelay(10);
 		/* 50ms max wait */
-		if (i == 50000)
+		if (i == 5000)
 			break;
 	}