Update and Add features to Bosch Guardian Board

[Lokesh Vutla]

On 25/03/20 12:15 PM, Moses Christopher wrote:
> The following patches ensure that the Bosch Guardian Board is updated with
> the latest feature additions and improvements made in the recent past
> 
> On High Level, the following are achieved:
>   * Proper handling of USB-ETH Boot in SPL stage
>   * Provide Boot stage feedback
>   * Store Bootcount in RTC Scratch Registers
>   * Save ENV in NAND
>   * Handle Linux Boot
> 

Applied to u-boot-ti.

Thanks and regards,
Lokesh

>