mt76: move mt76x02_phy_get_min_avg_rssi in mt76x02_phy.c

Move mt76x02_phy_get_min_avg_rssi in mt76x02-lib module since
it will be used by mt76x0 driver in order to unify rxwi parsing

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
6 files changed