rtlwifi: Change debug parameter to apply to individual drivers

The current debug parameter is applied to rtlwifi, which means that all
loaded drivers have the same level of debugging applied. In addition,
the previous method requires a two-step load process to enable debugging.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h
index 3126485..ae42cf8 100644
--- a/drivers/net/wireless/rtlwifi/wifi.h
+++ b/drivers/net/wireless/rtlwifi/wifi.h
@@ -1485,6 +1485,9 @@
 	/* default: 0 = using hardware encryption */
 	int sw_crypto;
 
+	/* default: 0 = DBG_EMERG (0)*/
+	int debug;
+
 	/* default: 1 = using no linked power save */
 	bool inactiveps;