Update README.md

update readme for example/3_conv_xdl

example/3_conv_xdl/README.md

-# Instructions for ```gemm_xdl``` Example
+# Instructions for ```conv_xdl``` Example
 
 ## Docker script
 ```bash
@@ -13,7 +13,7 @@ rocm/tensorflow:rocm4.3.1-tf2.6-dev                                          \
 /bin/bash
 ```
 
-## Build ```gemm_xdl```
+## Build ```conv_xdl```
 ```bash
 mkdir build && cd build
 ```
@@ -30,27 +30,28 @@ cmake                                                                  \
 ```
 
 ```bash
- make -j gemm_xdl
+ make -j conv_xdl
 ```
 
-## Run ```gemm_xdl```
+## Run ```conv_xdl```
 ```bash
 #arg1: verification (0=no, 1=yes)
 #arg2: initialization (0=no init, 1=integer value, 2=decimal value)
 #arg3: run kernel # of times (>1)
-./example/gemm_xdl 0 1 5
+#arg4 to 18: N, K, C, Y, X, Hi, Wi, Sy, Sx, Dy, Dx, LeftPy, LeftPx, RightPy, RightPx
+./example/conv_xdl 0 1 5
 ```
 
 Result (MI100 @ 1087Mhz, 133.5TFlops peak FP16)
 ```
-a_m_k: dim 2, lengths {3840, 4096}, strides {4096, 1}
-b_k_n: dim 2, lengths {4096, 4096}, strides {1, 4096}
-c_m_n: dim 2, lengths {3840, 4096}, strides {4096, 1}
-arg.a_grid_desc_k0_m_k1_{512, 3840, 8}
-arg.b_grid_desc_k0_n_k1_{512, 4096, 8}
-arg.c_grid_desc_m_n_{ 3840, 4096}
-launch_and_time_kernel: grid_dim {480, 1, 1}, block_dim {256, 1, 1}
+in_n_c_hi_wi: dim 4, lengths {128, 192, 71, 71}, strides {967872, 1, 13632, 192}
+wei_k_c_y_x: dim 4, lengths {256, 192, 3, 3}, strides {1728, 1, 576, 192}
+out_n_k_ho_wo: dim 4, lengths {128, 256, 36, 36}, strides {331776, 1, 9216, 256}
+arg.a_grid_desc_k0_m_k1_{216, 165888, 8}
+arg.b_grid_desc_k0_n_k1_{216, 256, 8}
+arg.c_grid_desc_m_n_{ 165888, 256}
+launch_and_time_kernel: grid_dim {1296, 1, 1}, block_dim {256, 1, 1}
 Warm up
 Start running 5 times...
-Perf: 1.19685 ms, 107.657 TFlops, 78.8501 GB/s
+Perf: 1.43206 ms, 102.486 TFlops, 232.947 GB/s
 ```