Hexagon (target/hexagon) Restore --disable-hexagon-idef-parser build

The --disable-hexagon-idef-parser configuration was broken by this patch
2feacf60c23ba6 (target/hexagon: Drop tcg_temp_free from C code)

That config is not tested by CI

Fix is simple: Mark a few TCGv variables as unused

Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20230306172515.346813-1-tsimpson@quicinc.com>
1 file changed