plugin/ssa_smdb.c: Cosmetic formatting changes

Also, updated copyright years

Signed-off-by: Hal Rosenstock <hal@mellanox.com>
ssa.c: Cosmetic variable name change in ssa_find_pollfd_slot

for better readability/clarity

Signed-off-by: Hal Rosenstock <hal@mellanox.com>
ssa.c: Add nfds parameter to ssa_downstream_notify_smdb_conns

so equivalent to ssa_find_pollfd_slot API

Later, we will optimize/maintain nfds and not just use FD_SETSIZE

Signed-off-by: Hal Rosenstock <hal@mellanox.com>
core.c: Cosmetic change to log message in core_process_lft_change

Signed-off-by: Hal Rosenstock <hal@mellanox.com>
core.c: Cosmetic formatting change in core_construct

Signed-off-by: Hal Rosenstock <hal@mellanox.com>
core.c: In core_extract_handler, log start thread message sooner in code flow

Signed-off-by: Hal Rosenstock <hal@mellanox.com>
ssa.c: Cosmetic formatting changes

Signed-off-by: Hal Rosenstock <hal@mellanox.com>
ssa.c: Remove code duplication in ssa_access_map_callback

Signed-off-by: Sasha Kotchubievsky <sashakot@mellanox.com>
Signed-off-by: Hal Rosenstock <hal@mellanox.com>