MLECO-1933, MLECO-1914, MLECO-1885: Update to 21.05-rc2 components

Core driver and sofware dependencies updated to latest release
candidate revisions. Note: TensorFlow Lite Micro has not been
updated.

Also, gcc warnings for simple_platform target and ad use case have
been fixed.

Change-Id: I455b421f34375a719a941e6e220fe292a57613f5
diff --git a/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/stubs_simple_platform.c b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/stubs_simple_platform.c
new file mode 100644
index 0000000..df11adb
--- /dev/null
+++ b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/stubs_simple_platform.c
@@ -0,0 +1,114 @@
+/*
+ * 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
+ *
+ *     http://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.
+ */
+#include "stubs_simple_platform.h"
+
+#include "bsp_core_log.h"
+
+#include <inttypes.h>
+
+uint32_t GetCoreClock(void)
+{
+    return 1;
+}
+
+void GLCD_Initialize(void) {}
+
+void GLCD_Bitmap(unsigned int x,  unsigned int y,
+    unsigned int w, unsigned int h, unsigned short *bitmap)
+{
+    UNUSED(x);
+    UNUSED(y);
+    UNUSED(w);
+    UNUSED(h);
+    UNUSED(bitmap);
+}
+
+void GLCD_Image(void *data, const uint32_t width, const uint32_t height,
+    const uint32_t channels, const uint32_t pos_x,
+    const uint32_t pos_y, const uint32_t downsample_factor)
+{
+    UNUSED(data);
+    UNUSED(pos_x);
+    UNUSED(pos_y);
+    UNUSED(width);
+    UNUSED(height);
+    UNUSED(channels);
+    UNUSED(downsample_factor);
+    debug("image display: (x, y, w, h) = "
+        "(%" PRIu32 ", %" PRIu32 ", %" PRIu32 ", %" PRIu32 ")\n",
+        pos_x, pos_y, width, height);
+    debug("image display: channels = %" PRIu32 ", downsample factor = %" PRIu32 "\n",
+        channels, downsample_factor);
+}
+
+void GLCD_Clear(unsigned short color)
+{
+    UNUSED(color);
+}
+
+void GLCD_SetTextColor(unsigned short color)
+{
+    UNUSED(color);
+}
+
+void GLCD_DisplayChar (unsigned int ln, unsigned int col, unsigned char fi,
+    unsigned char c)
+{
+    UNUSED(ln);
+    UNUSED(col);
+    UNUSED(fi);
+    UNUSED(c);
+}
+
+void GLCD_DisplayString(unsigned int ln, unsigned int col, unsigned char fi,
+    char *s)
+{
+    UNUSED(ln);
+    UNUSED(col);
+    UNUSED(fi);
+    UNUSED(s);
+    debug("text display: %s\n", s);
+}
+
+void GLCD_Box(unsigned int x, unsigned int y, unsigned int w, unsigned int h,
+    unsigned short color)
+{
+    UNUSED(x);
+    UNUSED(y);
+    UNUSED(w);
+    UNUSED(h);
+    UNUSED(color);
+}
+
+void LED_Initialize(uint32_t port)
+{
+    UNUSED(port);
+}
+
+void LED_On(uint32_t num, uint32_t port)
+{
+    UNUSED(num);
+    UNUSED(port);
+    debug("LED %" PRIu32 " ON\n", num);
+}
+
+void LED_Off(uint32_t num, uint32_t port)
+{
+    UNUSED(num);
+    UNUSED(port);
+    debug("LED %" PRIu32 " OFF\n", num);
+}