Add a new event which handles this function refer to commit
("91caa3bb89b1 event: Use an event to replace last_stage_init()")
Signed-off-by: Michael Chang <zhang971090220@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
If CONFIG_SYS_SKIP_UART_INIT is enabled, calculate the
current baud rate and update the "console" environment
variable.
Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>