wifi: ath5k: add PCI ID for SX76X

[ Upstream commit da0474012402d4729b98799d71a54c35dc5c5de3 ]

This is in two devices made by Gigaset, SX762 and SX763.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20240930180716.139894-2-rosenp@gmail.com


Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>