lib/env_dpdk: Fixed using rte_compress_isal

When using --with-dpdk=dpdk/install option, we need to check if the
librte_compress_isal was built in DPDK before adding it to the list
of libs. rte_compress_isal is not built by DPDK if libisal is not
installed in the system.

Signed-off-by: Yuriy Umanets <yumanets@nvidia.com>
Change-Id: Iceb4ebb8cee81aa4254e0a878653c8a8dd50cac6
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/11618


Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>