Smaller networks - keyword_spotting_dnn_medium_int8

Added: Baremetal application 'keyword_spotting_dnn_medium_int8' as and
executable test. Run with ctest -R keyword_spotting_dnn_medium_int8

Model taken from ML-zoo, run through vela, and hexdumped to C header
format.

Change-Id: Iba97a2c89277131605e233f0c9241581ea178755
diff --git a/applications/baremetal/models/keyword_spotting_dnn_medium_int8/output.h b/applications/baremetal/models/keyword_spotting_dnn_medium_int8/output.h
new file mode 100644
index 0000000..a34f6ae
--- /dev/null
+++ b/applications/baremetal/models/keyword_spotting_dnn_medium_int8/output.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/******************************************************************************************************************
+ * Model: keyword_spotting_dnn_medium_int8
+ * Source: https://github.com/ARM-software/ML-zoo/blob/master/MODEL_LIST.md
+ * Hexdump: python3 -c 'import numpy;i=numpy.load("output.npy");i.tofile("output.bin");' && xxd -i output.bin > output.h
+ ******************************************************************************************************************/
+
+unsigned char expectedOutputData[48] __attribute__((aligned(16), section("expected_output_data_sec"))) = {
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x7a, 0x3f,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
\ No newline at end of file