Fix compilation error rasied in Nightly_NEW

 - related to 91780021e2 Fix for inclusion of "arm_gemm"
 - arm_compute::WeightFormat was passed to a function
   expecting arm_gemm::WeightFormat

Resolves: COMPMID-5415
Signed-off-by: Ramy Elgammal <ramy.elgammal@arm.com>
Change-Id: Ib53fad2eab0148f466a5e2f11b931754569da3d6
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/7989
Reviewed-by: SiCong Li <sicong.li@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/cpu/operators/internal/CpuGemmAssemblyDispatch.cpp b/src/cpu/operators/internal/CpuGemmAssemblyDispatch.cpp
index c969c9f..45b3232 100644
--- a/src/cpu/operators/internal/CpuGemmAssemblyDispatch.cpp
+++ b/src/cpu/operators/internal/CpuGemmAssemblyDispatch.cpp
@@ -715,7 +715,7 @@
 #if defined(ARM_COMPUTE_ENABLE_BF16)
         case DataType::BFLOAT16:
         {
-            ARM_COMPUTE_RETURN_ERROR_ON_MSG(!(arm_gemm::has_opt_gemm<bfloat16, float, arm_gemm::Nothing>(expected_weight_format, args, {})),
+            ARM_COMPUTE_RETURN_ERROR_ON_MSG(!(arm_gemm::has_opt_gemm<bfloat16, float, arm_gemm::Nothing>(arm_gemm_expected_wf, args, {})),
                                             "We could not find an optimized kernel for BFLOAT16 input and F32 output");
             break;
         }