mt76: mt7603: remove query from mt7603_mcu_msg_send signature

Remove query parameter from mt7603_mcu_msg_send/__mt7603_mcu_msg_send
routine signature since it can be obtained from cmd value. This is a
preliminary patch for mcu code unification between mt7615 and mt7603
drivers

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>