net/mlx5: Move SRQ functions to RDMA part

There is no need to keep SRQ which is RDMA object in mlx5_core.
In this patch, we partially move the execution code, while next patches
will move table initialization/release logic too.

Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>

drivers/infiniband/hw/mlx5/cq.c

@@ -35,6 +35,7 @@
 #include <rdma/ib_user_verbs.h>
 #include <rdma/ib_cache.h>
 #include "mlx5_ib.h"
+#include "srq.h"
 
 static void mlx5_ib_cq_comp(struct mlx5_core_cq *cq)
 {