freedreno/rnn: relax Hexadecimal to HexOrNumber

We are already using non-hex offsets to describe pm4 packet payloads.
Let's just permit this in the schema, rather than updating all the xml
to use hex.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6107>
1 file changed