powerpc/via-pmu: fix error path in find_via_pmu()
powerpc/via-pmu: fix error path in find_via_pmu()

Cleanup was not in the reverse order from the set-up, so not all
the gotos made sense, and also it was being avoided completely upon
failure of init_pmu().

Signed-off-by: Phil Carmody <ba5c6434a741108a8b4074d15578ed79244e378e@asdf.org>
Signed-off-by: Aaro Koskinen <13423a3f3006b5859cfceae66d59451f5eb4e205@iki.fi>
Signed-off-by: Benjamin Herrenschmidt <a7089bb6e7e92505d88aaff006cbdd60cc9120b6@kernel.crashing.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs