LU-6142 lnet: enforce Linux kernel coding style

LU-6142 lnet: enforce Linux kernel coding style

This patch enforces Linux kernel coding style in
lnet codes. The changes are:
- convert spaces to tabs for indentation
- align variable and struct declarations
- sprintf is deprecated, use snprintf instead
- labels should not be indented
- wrap lines at 80 columns

Signed-off-by: wang di <di.wang@intel.com>
Change-Id: I46685fec1703c39fc8e9e6ee7bb6e5cc152aac4f
Signed-off-by: Jian Yu <jian.yu@intel.com>
Reviewed-on: http://review.whamcloud.com/14130
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>