Changes

doxy: fix a typo

Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr>

rsmi: add a "XGMIHops" matrix

RSMI reports the same bandwidth between directly-connected GPUs
and XGMI-routed ones (hardware routing). I don't know yet
if we should remove non-direct BW and force users to apply
the transitive closure (like they do for NVSwitch).

Add this hops matrix in the meantime.

Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr>

rsmi: add missing error test in previous commit

Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr>

configure: use ROCm config for detecting OpenCL

AMD's OpenCL is installed the ROCm directory,
use the ROCm detection result to improve the automatic
OpenCL detection.

Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr>