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/programs/CMakeLists.txt

@@ -0,0 +1,13 @@
+add_subdirectory(aes)
+add_subdirectory(cipher)
+if (NOT WIN32)
+    add_subdirectory(fuzz)
+endif()
+add_subdirectory(hash)
+add_subdirectory(pkey)
+add_subdirectory(psa)
+add_subdirectory(random)
+add_subdirectory(ssl)
+add_subdirectory(test)
+add_subdirectory(util)
+add_subdirectory(x509)