tests: benchdnn: add select op cases for postops

Author: avmanerikar

tests/benchdnn/inputs/binary/test_binary_ci

@@ -31,6 +31,7 @@
                 sum:0.5, \
                 linear:2:0.125, \
                 add:f32, \
+                select:f32:per_tensor, \
                 mul:s8:per_oc+sum:0.25+relu:-0.01+add:f32:per_tensor
 --attr-scales=,src:common:0.5+src1:common:0.25
 

tests/benchdnn/inputs/matmul/test_matmul_ci

@@ -182,15 +182,15 @@
 --dt=f32,s8:s8:s32,bf16
 --stag=ab --wtag=ab --dtag=ab
 --runtime_dims_masks=,1:0,0:2,2:1,1:2,3:1,2:3,3:3
---attr-post-ops=mul:f32,relu,sum,prelu,prelu:per_oc
+--attr-post-ops=mul:f32,relu,sum,prelu,prelu:per_oc,select:f32:per_tensor
 3x20:20x4n"postops+runtime_dims_2d"
 
 # Basic post-ops with runtime dims 3D.
 --reset
 --dt=f32,s8:s8:s32,bf16
 --stag=abc --wtag=abc --dtag=abc
 --runtime_dims_masks=,2:0,0:4,4:2,2:4,6:2,4:6,6:6
---attr-post-ops=mul:f32,relu,sum,prelu,prelu:per_oc
+--attr-post-ops=mul:f32,relu,sum,prelu,prelu:per_oc,select:f32:per_tensor
 10x3x20:10x20x4n"postops+runtime_dims_3d"
 
 # Basic post-ops with runtime dims 4D.