drivers/net/ethernet: Fix non-kernel-doc comments with kernel-doc start markers

Convert doxygen (or similar) formatted comments to kernel-doc or
unformatted comment.  Delete a few that are content-free.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index 9cdd619..ab0bbb7 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -614,11 +614,9 @@
 }
 
 
-/**
- * ethtool_ops: DaVinci EMAC Ethtool structure
+/* ethtool_ops: DaVinci EMAC Ethtool structure
  *
  * Ethtool support for EMAC adapter
- *
  */
 static const struct ethtool_ops ethtool_ops = {
 	.get_drvinfo = emac_get_drvinfo,
@@ -2015,9 +2013,7 @@
 	.resume		= davinci_emac_resume,
 };
 
-/**
- * davinci_emac_driver: EMAC platform driver structure
- */
+/* davinci_emac_driver: EMAC platform driver structure */
 static struct platform_driver davinci_emac_driver = {
 	.driver = {
 		.name	 = "davinci_emac",