[FL-2269] Core2 OTA (#1144)

* C2OTA: wip
* Update Cube to 1.13.3
* Fixed prio
* Functional Core2 updater
* Removed hardware CRC usage; code cleanup & linter fixes
* Moved hardcoded stack params to copro.mk
* Fixing CI bundling of core2 fw
* Removed last traces of hardcoded radio stack
* OB processing draft
* Python scripts cleanup
* Support for comments in ob data
* Sacrificed SD card icon in favor of faster update. Waiting for Storage fix
* Additional handling for OB mismatched values
* Description for new furi_hal apis; spelling fixes
* Rework of OB write, WIP
* Properly restarting OB verification loop
* Split update_task_workers.c
* Checking OBs after enabling post-update mode
* Moved OB verification before flashing
* Removed ob.data for custom stacks
* Fixed progress calculation for OB
* Removed unnecessary OB mask cast

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

firmware/targets/furi_hal_include/furi_hal_bt.h

@@ -16,6 +16,7 @@
 
 #define FURI_HAL_BT_STACK_VERSION_MAJOR (1)
 #define FURI_HAL_BT_STACK_VERSION_MINOR (13)
+#define FURI_HAL_BT_C2_START_TIMEOUT 1000
 
 #ifdef __cplusplus
 extern "C" {
@@ -207,6 +208,12 @@ bool furi_hal_bt_start_scan(GapScanCallback callback, void* context);
 /** Stop MAC addresses scan */
 void furi_hal_bt_stop_scan();
 
+/** Check & switch C2 to given mode
+ *
+ * @param[in]  mode  mode to switch into
+ */
+bool furi_hal_bt_ensure_c2_mode(BleGlueC2Mode mode);
+
 #ifdef __cplusplus
 }
 #endif