iwlwifi: pcie: let the Manageability Engine know when we leave

When the driver is unload, the Manageability Engine should
know about that - send an event to inform it about this
event.

Reviewed-by: Reuven Borok <reuven.borok@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h
index aff63c3..7f40cf3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-csr.h
+++ b/drivers/net/wireless/iwlwifi/iwl-csr.h
@@ -184,6 +184,7 @@
 #define CSR_HW_IF_CONFIG_REG_BIT_NIC_READY	(0x00400000) /* PCI_OWN_SEM */
 #define CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE (0x02000000) /* ME_OWN */
 #define CSR_HW_IF_CONFIG_REG_PREPARE		  (0x08000000) /* WAKE_ME */
+#define CSR_HW_IF_CONFIG_REG_ENABLE_PME		  (0x10000000)
 #define CSR_HW_IF_CONFIG_REG_PERSIST_MODE	  (0x40000000) /* PERSISTENCE */
 
 #define CSR_MBOX_SET_REG_OS_ALIVE		BIT(5)