arm64: defconfig: enable ARCH_STM32 and STM32 serial driver

Allow a basic boot on STM32MP257 SoC.

Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
This commit is contained in:
Alexandre Torgue 2023-05-24 17:27:13 +02:00
commit 064433f84e