AT32 development, introduction of AT32F435 target (#12247)

* AT32F435: new target (#12159)
* AT32F435: New target (WIP)
* IO and Timer Updates
* Adding pseudonyms for the STM TypeDef items.
- implementation to follow
* Adding config_streamer support for AT32
* Implementation for IO
* Adding in Peripheral mapping from emsr.
* Warnings cleanup for AT drivers
* Getting things to the linking stage
* Add AT-START-F435 LEDs as default in AT32F435 as a temporary measure to aid bringup
* Remove tabs
* Enable selection of serial port to use for MSP
* Setup defaults for AT-START-F435 to use MSP on UART1
* Fix for most recent 4.5.0 Makefile changes
* Solve for sanity check.
* Add AT32F435 MCU type
* Fix compilation issue with SITL
* Merge conflict resolution
* Minor cleanup
* Adding line feed.

---------

Co-authored-by: Steve Evans <Steve@SCEvans.com>

src/main/fc/init.c

@@ -293,7 +293,7 @@ void init(void)
     enum {
         FLASH_INIT_ATTEMPTED            = (1 << 0),
         SD_INIT_ATTEMPTED               = (1 << 1),
-        SPI_AND_QSPI_INIT_ATTEMPTED      = (1 << 2),
+        SPI_AND_QSPI_INIT_ATTEMPTED     = (1 << 2),
     };
     uint8_t initFlags = 0;