rtlwifi: Change base routines for addition of rtl8192se and rtl8192de

Change base routines for addition of RTL8192SE and RTL8192DE code.

Additional files are modified to allow compilation.

Signed-off-by: Chaoming_Li <chaoming_li@realsil.com.cn>
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/usb.h b/drivers/net/wireless/rtlwifi/usb.h
index abadfe9..d2a63fb 100644
--- a/drivers/net/wireless/rtlwifi/usb.h
+++ b/drivers/net/wireless/rtlwifi/usb.h
@@ -31,6 +31,8 @@
 #include <linux/usb.h>
 #include <linux/skbuff.h>
 
+#define RTL_RX_DESC_SIZE		24
+
 #define RTL_USB_DEVICE(vend, prod, cfg) \
 	.match_flags = USB_DEVICE_ID_MATCH_DEVICE, \
 	.idVendor = (vend), \