drm/amdgpu: Fix missing check pcie_p2p module param

The module param pcie_p2p should be checked for kfd p2p feature, so add it.

Fixes: 75f0efbc ("drm/amdgpu: Take IOMMU remapping into account for p2p checks")
Signed-off-by: Bob Zhou <bob.zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -6189,7 +6189,7 @@ bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
 		p2p_addressable = !(adev->gmc.aper_base & address_mask ||
 				     aper_limit & address_mask);
 	}
-	return is_large_bar && p2p_access && p2p_addressable;
+	return pcie_p2p && is_large_bar && p2p_access && p2p_addressable;
 #else
 	return false;
 #endif