app/crypto-perf: compile with -O3
app/crypto-perf: compile with -O3

The crypto performance application was not being compiled
with -O3, which means that the performance shown may not be
optimal.

Signed-off-by: Pablo de Lara <28355d9cfe41bb8148aea0fb24f47aae8f4217a1@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk