It seems the bootloader does not use 115200, which the dtsi file
specifies. Remove it.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/22735
Signed-off-by: Robert Marko <robimarko@gmail.com>
(cherry picked from commit 8d1b2596ee)