Add unit test to check for hash lookup and bulk-lookup perf for
extendable bucket feature.
It is tested with both lock-free enabled and lock-free disabled case.
Test includes:
- hash lookup on keys in ext bkt
- hash delete causing key-shifts of keys from ext bkt to secondary bkt
Suggested-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
Signed-off-by: Dharmik Thakkar <dharmik.thakkar@arm.com>
Acked-by: Yipeng Wang <yipeng1.wang@intel.com>