ssa_log.c: Use thread name in logs rather than thread ID

Logs before the patch:
Jul 30 13:14:37 500718 [63ECA780]: acm_log_options: lock file /var/run/ibacm.pid
Jul 30 13:14:37 500723 [63ECA780]: acm_log_options: address resolution 0
Jul 30 13:14:37 500728 [63ECA780]: acm_log_options: address timeout 1440
Jul 30 13:14:37 500732 [63ECA780]: acm_log_options: route resolution 1
Jul 30 13:14:37 500737 [63ECA780]: acm_log_options: route timeout -1
Jul 30 13:14:37 500742 [63ECA780]: acm_log_options: loopback resolution 1
Jul 30 13:14:37 500747 [63ECA780]: acm_log_options: server port 6125

Logs after the patch:
Jul 30 16:48:47 885080 [CTRL]: ssa_ctrl_send_listen:
Jul 30 16:48:47 885092 [CTRL]: ssa_ctrl_run: port event on fd 11
Jul 30 16:48:47 885100 [CTRL]: ssa_ctrl_port: mlx4_0:1 receiving MAD
Jul 30 16:48:47 885129 [UPSTR mlx4_0:1:]: core_process_msg: mlx4_0:1:1
Jul 30 16:48:47 885138 [UPSTR mlx4_0:1:]: ssa_upstream_mad: mlx4_0:1:1
Jul 30 16:48:47 885144 [UPSTR mlx4_0:1:]: ssa_upstream_mad: method Set attr InfoRecord
Jul 30 16:48:47 885161 [UPSTR mlx4_0:1:]: core_process_msg: mlx4_0:1:1
Jul 30 16:48:47 885188 [CTRL]: ssa_ctrl_run: port event on fd 11

I can change aligment and produce logs like:
Jul 30 15:23:50 902876 [CTRL            ]: ssa_ctrl_activate_ports: mlx4_0:1
Jul 30 15:23:50 902910 [UPSTR mlx4_0:1: ]: core_process_msg: mlx4_0:1:1
Jul 30 15:23:50 902927 [UPSTR mlx4_0:1: ]: ssa_upstream_dev_event: mlx4_0:1:1 port active
Jul 30 15:23:50 902938 [CTRL            ]: ssa_ctrl_update_port: mlx4_0:2 state down SM LID 0
Jul 30 15:23:50 902947 [UPSTR mlx4_0:1: ]: ssa_svc_join: mlx4_0:1:1 fe80::8:f104:39a:169
Jul 30 15:23:50 902995 [CTRL            ]: ssa_ctrl_run: port event on fd 11
Jul 30 15:23:50 903005 [CTRL            ]: ssa_ctrl_port: mlx4_0:1 receiving MAD
Jul 30 15:23:50 903023 [DNSTR  mlx4_0:1 ]: ssa_downstream_dev_event: mlx4_0:1:1 port active
Jul 30 15:23:50 903041 [UPSTR mlx4_0:1: ]: core_process_msg: mlx4_0:1:1
Jul 30 15:23:50 903061 [UPSTR mlx4_0:1: ]: core_process_join: mlx4_0:1:1 fe80::8:f104:39a

I found that logs without space padding look better for my eyes.

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