serial: ralink: adds Mediatek MT7620 serial
serial: ralink: adds Mediatek MT7620 serial

Add the config symbol for Mediatek MT7620 SoC to the SERIAL_8250_RT288X
dependencies.

Signed-off-by: John Crispin <be6487f9df4dce44a640672d6c07330104d43593@openwrt.org>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs