ibsim/ibsim.c: Bump version to 0.12

Signed-off-by: Aleksandr Minchiu <alexmi@nvidia.com>

ibsim/ibsim.c: Bump version to 0.8

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

ibsim 0.7 release

ibsim 0.6 release