COMPMID-3776: Indirect GEMM

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: I51a1b0f098bc3a8c408c50c92221e4df3061e12c
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4343
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/NEON/kernels/arm_gemm/quantized.hpp b/src/core/NEON/kernels/arm_gemm/quantized.hpp
index b0e0c3b..3f34430 100644
--- a/src/core/NEON/kernels/arm_gemm/quantized.hpp
+++ b/src/core/NEON/kernels/arm_gemm/quantized.hpp
@@ -23,6 +23,8 @@
  */
 #pragma once
 
+#include "utils.hpp" // IndirectInputArg
+
 namespace arm_gemm {
 
 template<typename Tin, typename Tout>
@@ -39,4 +41,8 @@
                       const T *input, unsigned int in_stride, int32_t *col_bias, unsigned int depth,
                       unsigned int multi, unsigned int first_col);
 
+template<typename T>
+void row_sums_indirect(unsigned int num_strings, const unsigned int *string_lengths, IndirectInputArg<T> A_arg,
+                       size_t M, int32_t *output_ptr, const Requantize32 *qp);
+
 } // namespace arm_gemm