serial: 8250_ingenic: delete redundant "select SERIAL_EARLYCON"

SERIAL_8250_INGENIC depends on SERIAL_8250_CONSOLE, which already
selects SERIAL_EARLYCON.

This line is redundant.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>