[FL-1911] FuriHal: i2c refactoring (#847)

* Project: fix release build, replace asserts with checks.
* FuriHal: i2c refactoring, new bus access model, flexible bus gpio configuration.
* FuriHal: set i2c pins to high on detach.
* FuriHal: more i2c bus events, put bus under reset when not used, move bus enable/disable routine to bus handler.
* FuriHal: fix i2c deadlock in power api, add external i2c handle.

applications/tests/rpc/rpc_test.c

@@ -115,7 +115,7 @@ static void clean_directory(Storage* fs_api, const char* clean_dir) {
                 clean_directory(fs_api, fullname);
             }
             FS_Error error = storage_common_remove(fs_api, fullname);
-            furi_assert(error == FSE_OK);
+            furi_check(error == FSE_OK);
             free(fullname);
         }
         free(name);