be2net: Staticize local functions

These local functions are used only in this file.
Fix the following sparse warnings:

drivers/net/ethernet/emulex/benet/be_main.c:475:6: warning: symbol 'populate_erx_stats' was not declared. Should it be static?
drivers/net/ethernet/emulex/benet/be_main.c:1485:6: warning: symbol 'be_rx_compl_process_gro' was not declared. Should it be static?
drivers/net/ethernet/emulex/benet/be_main.c:2262:5: warning: symbol 'be_poll' was not declared. Should it be static?
drivers/net/ethernet/emulex/benet/be_main.c:3223:6: warning: symbol 'flash_cookie' was not declared. Should it be static?
drivers/net/ethernet/emulex/benet/be_main.c:3280:27: warning: symbol 'get_fsec_info' was not declared. Should it be static?
drivers/net/ethernet/emulex/benet/be_cmds.c:1013:5: warning: symbol 'be_cmd_mccq_ext_create' was not declared. Should it be static?
drivers/net/ethernet/emulex/benet/be_cmds.c:1071:5: warning: symbol 'be_cmd_mccq_org_create' was not declared. Should it be static?
drivers/net/ethernet/emulex/benet/be_cmds.c:3166:5: warning: symbol 'be_cmd_get_profile_config_mbox' was not declared. Should it be
static?
drivers/net/ethernet/emulex/benet/be_cmds.c:3194:5: warning: symbol 'be_cmd_get_profile_config_mccq' was not declared. Should it be
static?
drivers/net/ethernet/emulex/benet/be_roce.c:96:6: warning: symbol '_be_roce_dev_remove' was not declared. Should it be static?
drivers/net/ethernet/emulex/benet/be_roce.c:113:6: warning: symbol '_be_roce_dev_open' was not declared. Should it be static?
drivers/net/ethernet/emulex/benet/be_roce.c:129:6: warning: symbol '_be_roce_dev_close' was not declared. Should it be static?

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>