iwlwifi: add 9000 and A000 device families

Add two new device families to differentiate them from 8000.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index 8069333..c8d4514 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -215,7 +215,7 @@ static int iwl_request_firmware(struct iwl_drv *drv, bool first)
 	char tag[8];
 	const char *fw_pre_name;
 
-	if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000 &&
+	if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
 	    CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_B_STEP)
 		fw_pre_name = cfg->fw_name_pre_next_step;
 	else if (drv->trans->cfg->integrated &&