drm/radeon: add another R7 370 quirk

[ Upstream commit a64663d9870364bd2a2df62bf0d3a9fbe5ea62a8 ]

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=115291



Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>