sprintf function is not secure as it doesn't check the length of string.
More secure function snprintf and strlcpy is used.
Fixes: f714a18885 ("app/testbbdev: add test application for bbdev")
Cc: stable@dpdk.org
Signed-off-by: Pallantla Poornima <pallantlax.poornima@intel.com>
Acked-by: Amr Mokhtar <amr.mokhtar@intel.com>