Static Link Key Storage API

src/classic/btstack_link_key_db_static.h : Static Link Key Storage implementation to use during development/porting: - Link keys have to be manually added to this file to make them usable + Link keys are preserved on reflash in constrast to the program flash based link key store

/*
 * @brief
 */
const btstack_link_key_db_t * btstack_link_key_db_static_instance(void);