[autows] set subtile_p to be false by default (#656)

Author: Sibylau

tritonbench/kernels/blackwell_triton_fused_attention_dp.py

@@ -305,7 +305,7 @@ def make_tile_config(BM, BN, occ, subtile, subtile_p, vectmul, add2reduce):
         for BN in [64, 128]
         for occ in [1, 2]
         for subtile in [True]
-        for subtile_p in [True]
+        for subtile_p in [False]
         for vectmul in [0]
         for add2reduce in [False]
     ]
@@ -347,7 +347,7 @@ def make_standard_config(
         for s in NUM_STAGES_OPTIONS
         for w in [4]
         for subtile in [True]
-        for subtile_p in [True]
+        for subtile_p in [False]
         for vectmul in [1]
         for add2reduce in [False]
         for maxreg in [152, 192]