feat(stm32mp1): update console management for SP_min

Use stm32mp_uart_console_setup() in SP_min setup.
Adapt the function stm32mp_uart_console_setup() for BL32 (no reset, add
CONSOLE_FLAG_RUNTIME under DEBUG.

Change-Id: Ib2d35c8d285dafb680aa218872ad679cbf43d0ed
Signed-off-by: Yann Gautier <yann.gautier@st.com>
2 files changed