regexdev: add resource limit reached flag

When scanning a buffer it is possible that the scan will abort
due to some internal resource limit.

This commit adds such response flag, so application can handle such cases.

Signed-off-by: Francis Kelly <fkelly@nvidia.com>
Signed-off-by: Ori Kam <orika@nvidia.com>

lib/librte_regexdev/rte_regexdev.h

@@ -1333,6 +1333,11 @@ struct rte_regexdev_match {
  * @see RTE_REGEXDEV_ATTR_MAX_PREFIX
  */
 
+#define RTE_REGEX_OPS_RSP_RESOURCE_LIMIT_REACHED_F (1 << 4)
+/**< Indicates that the RegEx device has reached the max allowed resource
+ * allowed while scanning the given buffer.
+ */
+
 /**
  * The generic *rte_regex_ops* structure to hold the RegEx attributes
  * for enqueue and dequeue operation.