Fix wrong folder specified in cuBLAS Migration README

Signed-off-by: Fong Jian Tan <fong.jian.tan@intel.com>

Author: fongjiantan

Libraries/oneMKL/guided_cuBLAS_examples_SYCL_Migration/README.md

@@ -92,7 +92,7 @@ Run the programs on a CPU or GPU. Each sample uses a default device, which in mo
 > line in the code.
 
 
-1. Run the samples in the `02_sycl_dpct_migrated` folder.
+1. Run the samples in the `build` folder.
    ```
    make run_amax
    ```