staging: r8188eu: Adjust RX gain

In some circumstances, the performance of this driver is highly degraded,
and ifconfig reports large numbers of dropped packets. By increasing the
maximum RX gain from 0x3e to 0x4e, performance is greatly improved.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/include/odm.h

@@ -1010,7 +1010,7 @@ enum dm_dig_op {
 #define		DM_false_ALARM_THRESH_LOW	400
 #define		DM_false_ALARM_THRESH_HIGH	1000
 
-#define		DM_DIG_MAX_NIC			0x3e
+#define		DM_DIG_MAX_NIC			0x4e
 #define		DM_DIG_MIN_NIC			0x1e /* 0x22/0x1c */
 
 #define		DM_DIG_MAX_AP			0x32