Support for PC platform (#12)

* improvements for cross-platform compiling

* moved tactility-core to libs/

* splitup improvements

* remove git/gitmodules from freertos

* better platformbetter platform checks

* added build scripts

* delete mbedtls

* re-add mbedtls

* fixes and improvements

* added pc build

* simplify build scripts

* revert build scrpit

* updated builds

* fix for pc

* fix for pc

* fix for build

libs/mbedtls/scripts/apidoc_full.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+
+# Generate doxygen documentation with a full mbedtls_config.h (this ensures that every
+# available flag is documented, and avoids warnings about documentation
+# without a corresponding #define).
+#
+# /!\ This must not be a Makefile target, as it would create a race condition
+# when multiple targets are invoked in the same parallel build.
+#
+# Copyright The Mbed TLS Contributors
+# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+
+set -eu
+
+CONFIG_H='include/mbedtls/mbedtls_config.h'
+
+if [ -r $CONFIG_H ]; then :; else
+    echo "$CONFIG_H not found" >&2
+    exit 1
+fi
+
+CONFIG_BAK=${CONFIG_H}.bak
+cp -p $CONFIG_H $CONFIG_BAK
+
+scripts/config.py realfull
+make apidoc
+
+mv $CONFIG_BAK $CONFIG_H