Update GEMM assembly kernels

- Introduce Fp32 kernels with internal calculations in Bfloat16 when
fast_mode is enabled
- Improve kernel selection heuristics

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: I68a9e7e862b6fd2721b46e0d7cc791091c4ab279
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5965
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/NEON/kernels/arm_gemm/indirect-interleaves/list.hpp b/src/core/NEON/kernels/arm_gemm/indirect-interleaves/list.hpp
index 52b49c0..b13d32c 100644
--- a/src/core/NEON/kernels/arm_gemm/indirect-interleaves/list.hpp
+++ b/src/core/NEON/kernels/arm_gemm/indirect-interleaves/list.hpp
@@ -40,6 +40,7 @@
 #include "a64_interleave8_block2_bf16_bf16.hpp"
 #include "a64_interleave8_block2_fp32_fp32.hpp"
 #include "a64_interleave8_block4_bf16_bf16.hpp"
+#include "a64_interleave8_block4_fp32_bf16.hpp"
 #include "a64_interleave8_block4_s8_s8.hpp"
 #include "a64_interleave8_block4_s8_s8_summing.hpp"
 #include "a64_interleave8_block4_u8_u8_summing.hpp"