fixed paths to search space file

Signed-off-by: Jeff Ng <jeffng@precisioninno.com>

Author: jeffng-or

flow/designs/asap7/gcd/asap7_gcd_tune.yaml

@@ -10,4 +10,4 @@ run_config:
   samples: 10
   timeout: 1.0
 search_space:
-  file: autotuner_new.json
+  file: designs/gcd/autotuner_new.json

flow/designs/asap7/ibex/asap7_ibex_tune.yaml

@@ -9,4 +9,4 @@ run_config:
   ray_outputs_dir: /work
   orfs_outputs_dir: /work
 search_space:
-  file: /work/configs/asap7/ibex/autotuner_new.json
+  file: designs/asap7/ibex/autotuner_new.json