types.hpp: Added Platform type for PIO
MRAA C++ getPlatformType casts the return from mraa_get_platform_type()
to a Platform enum (which did not exist in C++ for AT).  Added enum type
to types.hpp which corresponds to the C enum type.
@@ -59,6 +59,7 @@ typedef enum {
GENERIC_FIRMATA = 1280, /**< Firmata uart platform/bridge */
+ ANDROID_PERIPHERALMANAGER = 95, /**< Android Things peripheral manager platform */
NULL_PLATFORM = 98,
UNKNOWN_PLATFORM =
99 /**< An unknown platform type, typically will load INTEL_GALILEO_GEN1 */
