mt76: move WIPHY_FLAG_HAS_CHANNEL_SWITCH in mt76_phy_init

Move WIPHY_FLAG_HAS_CHANNEL_SWITCH in mt76-core module since now all
drivers support Channel Switch Announcement

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