ARM: dts: st: correct serial alias in stih418-b2264.dts

Aliases should only contain lowercase, digits or - hence
correct the alias for the serial from ttyAS0 into serial0
as already done for the other boards.

Signed-off-by: Alain Volmat <avolmat@me.com>
Acked-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
1 file changed