feat(stm32mp2): use USART1 for debug console on ultra-fly boards

This commit configures the debug console to use USART1 for
ultra-fly boards, ensuring the early console works as expected
on these boards.

These changes are specific to the ultra-fly boards and do not
affect any other boards.

Change-Id: I17f2c50779426dc31a8e85d6903141c331882c86
Signed-off-by: Boerge Struempfel <boerge.struempfel@gmail.com>
2 files changed