cnss2: Save PCIe GEN speed and width changed from device

WLAN device may adjust GEN speed and width at run time so save them
accordingly from driver.

Change-Id: I4b20909425c4606b3ee5995946c97542b9849a54
Signed-off-by: Yue Ma <yuem@codeaurora.org>
diff --git a/drivers/net/wireless/cnss2/pci.c b/drivers/net/wireless/cnss2/pci.c
index be75f90..3857dc6 100644
--- a/drivers/net/wireless/cnss2/pci.c
+++ b/drivers/net/wireless/cnss2/pci.c
@@ -4278,9 +4278,13 @@
 	if (ret)
 		return ret;
 
+	pci_priv->def_link_speed = link_info->target_link_speed;
+	pci_priv->def_link_width = link_info->target_link_width;
+
 	cnss_pr_dbg("Setting link speed:0x%x, width:0x%x\n",
 		    link_info->target_link_speed,
 		    link_info->target_link_width);
+
 	return 0;
 }