mt76: mt7915: enlarge wcid size to 544

mt76: mt7915: enlarge wcid size to 544

[ Upstream commit b37d0c9735bc1976f85636e06e07f1a7547d969d ]

The mt7916 can support up to 544 wcid entries.
This is an intermediate patch to add mt7916 support.

Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Co-developed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Bo Jiao <Bo.Jiao@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>