increase the tuning converage for one dimension of the workgroup size bigger than 32

Author: Timmy

src/library/tools/tune/subdim.c

@@ -213,8 +213,8 @@ initVector(SubDimInfo* sd)
         setVariable(sd, V_L1_BW, 6, &dim[0]);
     }
     else {
-        setVariable(sd, V_L0_X,  4, &dim[4]);
-        setVariable(sd, V_L0_Y,  4, &dim[4]);
+        setVariable(sd, V_L0_X,  4, &dim[5]);
+        setVariable(sd, V_L0_Y,  4, &dim[5]);
         setVariable(sd, V_L0_BW, 6, &dim[0]);
         setVariable(sd, V_L1_X,  6, &dim[0]);
         setVariable(sd, V_L1_Y,  6, &dim[0]);