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/data_files/driver_templates/OS-template-opaque.jinja

@@ -0,0 +1,17 @@
+{# One Shot function's dispatch code for opaque drivers.
+Expected inputs:
+* drivers: the list of driver descriptions.
+* entry_point: the name of the entry point that this function dispatches to.
+* entry_point_param(driver): the parameters to pass to the entry point.
+* nest_indent: number of extra spaces to indent the code to.
+-#}
+{% for driver in drivers if driver.type == "opaque" -%}
+{% for capability in driver.capabilities if entry_point in capability.entry_points -%}
+#if ({% if capability['mbedtls/c_condition'] is defined -%}{{ capability['mbedtls/c_condition'] }} {% else -%} {{ 1 }} {% endif %})
+{%- filter indent(width = nest_indent) %}
+case {{ driver.location }}:
+    return( {{ entry_point_name(capability, entry_point, driver) }}({{entry_point_param(driver) | indent(20)}}));
+{% endfilter -%}
+#endif
+{% endfor %}
+{% endfor %}