SDE: Handle table target name if not present
SDE: Handle table target name if not present

- Handle case where table target name is not present in
contextJSON file

Signed-off-by: Anand Sunkad <7f7ddacc49010cf7aed47c25cce6a10263415e9c@intel.com>

p4lang/p4-dpdk-target,p4lang/p4-dpdk-target,p4lang/p4-dpdk-target,p4lang/p4-dpdk-target