bna: get rid of duplicate and unused macros

replaced macros:
BNA_MAC_IS_EQUAL -> ether_addr_equal
BNA_POWER_OF_2 -> is_power_of_2
BNA_TO_POWER_OF_2_HIGH -> roundup_pow_of_two

removed unused macros:
bfa_fsm_get_state
bfa_ioc_clr_stats
bfa_ioc_fetch_stats
bfa_ioc_get_alt_ioc_fwstate
bfa_ioc_isr_mode_set
bfa_ioc_maxfrsize
bfa_ioc_mbox_cmd_pending
bfa_ioc_ownership_reset
bfa_ioc_rx_bbcredit
bfa_ioc_state_disabled
bfa_sm_cmp_state
bfa_sm_get_state
bfa_sm_send_event
bfa_sm_set_state
bfa_sm_state_decl
BFA_STRING_32
BFI_ADAPTER_IS_{PROTO,TTV,UNSUPP)
BFI_IOC_ENDIAN_SIG
BNA_{C,RX,TX}Q_PAGE_INDEX_MAX
BNA_{C,RX,TX}Q_PAGE_INDEX_MAX_SHIFT
BNA_{C,RX,TX}Q_QPGE_PTR_GET
BNA_IOC_TIMER_FREQ
BNA_MESSAGE_SIZE
BNA_QE_INDX_2_PTR
BNA_QE_INDX_RANGE
BNA_Q_GET_{C,P}I
BNA_Q_{C,P}I_ADD
BNA_Q_FREE_COUNT
BNA_Q_IN_USE_COUNT
BNA_TO_POWER_OF_2
containing_rec

Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>