COMPMID-2178: Update GEMM assembly code.

Perform offset reduction and requantization within the assembly wrapper.

Change-Id: I5d5b3e1f6f9ef4c71805362c57f88ff199c027a3
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1541
Comments-Addressed: Pablo Marquez <pablo.tello@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/NEON/kernels/arm_gemm/gemv_batched.hpp b/src/core/NEON/kernels/arm_gemm/gemv_batched.hpp
index b7f9de8..8dae7c3 100644
--- a/src/core/NEON/kernels/arm_gemm/gemv_batched.hpp
+++ b/src/core/NEON/kernels/arm_gemm/gemv_batched.hpp
@@ -41,12 +41,13 @@
         GemmArgs<Tr> newargs = args;
         newargs._Msize = args._nbatches;
         newargs._nbatches = 1;
+        newargs._cfg = nullptr;
         _subgemm = gemm<To,Tr>(newargs);
     }
 
     void set_arrays(const To *A, const int lda, const int A_batch_stride, const int A_multi_stride,
                     const To *B, const int ldb, const int B_multi_stride,
-                    Tr *C, const int ldc, const int C_batch_stride, const int C_multi_stride) override {
+                          Tr *C, const int ldc, const int C_batch_stride, const int C_multi_stride) override {
         /* A and C's batch stride becomes their new row stride.  New batch stride is 0 as nbatches for subgemm is always 1. */
         _subgemm->set_arrays(A, A_batch_stride, 0, A_multi_stride,
                              B, ldb, B_multi_stride,