devlink: add macro for "fw.roce"

Add definition and documentation for the new generic info "fw.roce".

v2: Remove board.nvm_cfg since fw.psid is similar.

Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/networking/devlink/devlink-info.rst

@@ -92,3 +92,9 @@ fw.psid
 -------
 
 Unique identifier of the firmware parameter set.
+
+fw.roce
+-------
+
+RoCE firmware version which is responsible for handling roce
+management.

include/net/devlink.h

@@ -487,6 +487,8 @@ enum devlink_param_generic_id {
 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI	"fw.ncsi"
 /* FW parameter set id */
 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID	"fw.psid"
+/* RoCE FW version */
+#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE	"fw.roce"
 
 struct devlink_region;
 struct devlink_info_req;