lbs_mac_event_disconnected() was called once and then never again
upon a hardware MAC event.
The reason was that the driver didn't clean the correct bit in the interrupt
cause register of the chip.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 #define IF_CS_H_IC_TX_OVER             0x0001
 #define IF_CS_H_IC_RX_OVER             0x0002
 #define IF_CS_H_IC_DNLD_OVER           0x0004
-#define IF_CS_H_IC_HOST_EVENT          0x0008
+#define IF_CS_H_IC_POWER_DOWN          0x0008
+#define IF_CS_H_IC_HOST_EVENT          0x0010
 #define IF_CS_H_IC_MASK                        0x001f
 
 #define IF_CS_H_INT_MASK               0x00000004