bna: Remove Obsolete Files

Change details:
 - Removec bfi_ll.h bna_hw.h bna_ctrl.c and bna_txrx.c due to ENET, MSGQ
   and TXRX changes for new FW Driver interface and TX RX re-design.
Signed-off-by: Rasesh Mody <rmody@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/brocade/bna/bna.h

@@ -16,7 +16,6 @@
 #include "bfa_cs.h"
 #include "bfa_ioc.h"
 #include "cna.h"
-#include "bfi_ll.h"
 #include "bna_types.h"
 
 extern const u32 bna_napi_dim_vector[][BNA_BIAS_T_MAX];