fm10k: constify fm10k_mac_ops, fm10k_iov_ops and fm10k_info structures

These structures never change so declare them as const.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_vf.c b/drivers/net/ethernet/intel/fm10k/fm10k_vf.c
index 38219f5..91f8d73 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_vf.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_vf.c
@@ -562,7 +562,7 @@
 	FM10K_TLV_MSG_ERROR_HANDLER(fm10k_tlv_msg_error),
 };
 
-static struct fm10k_mac_ops mac_ops_vf = {
+static const struct fm10k_mac_ops mac_ops_vf = {
 	.get_bus_info		= fm10k_get_bus_info_generic,
 	.reset_hw		= fm10k_reset_hw_vf,
 	.init_hw		= fm10k_init_hw_vf,
@@ -590,7 +590,7 @@
 	return fm10k_pfvf_mbx_init(hw, &hw->mbx, fm10k_msg_data_vf, 0);
 }
 
-struct fm10k_info fm10k_vf_info = {
+const struct fm10k_info fm10k_vf_info = {
 	.mac		= fm10k_mac_vf,
 	.get_invariants	= fm10k_get_invariants_vf,
 	.mac_ops	= &mac_ops_vf,