rtl8180: add rtl8187se chip type

Add back rtl8187se chip type to the enum for known chips.
This causes unhandled switch/case warning that will be fixed
in following patch
Signed-off-by: NAndrea Merello <andrea.merello@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rtl818x/rtl8180/rtl8180.h

@@ -92,6 +92,7 @@ struct rtl8180_priv {
 	enum {
 		RTL818X_CHIP_FAMILY_RTL8180,
 		RTL818X_CHIP_FAMILY_RTL8185,
+		RTL818X_CHIP_FAMILY_RTL8187SE,
 	} chip_family;
 	u32 anaparam;
 	u16 rfparam;