forked from Mirrors/opensbi

We add fdt_parse_uart8250_node() function which will allow us to parse a particular DT node as UART 8250 node. This will be useful in parsing the node pointed by stdout-path. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Atish Patra <atish.patra@wdc.com>