powerpc/perf: Use existing out label in power_pmu_enable()
powerpc/perf: Use existing out label in power_pmu_enable()

In power_pmu_enable() we can use the existing out label to reduce the
number of return paths.

Signed-off-by: Michael Ellerman <17b9e1c64588c7fa6419b4d29dc1f4426279ba01@ellerman.id.au>
CC: <4fbacc2fa0ffdbb11bf1ad6925b886ebd08dd15f@vger.kernel.org> [v3.10]
Signed-off-by: Benjamin Herrenschmidt <a7089bb6e7e92505d88aaff006cbdd60cc9120b6@kernel.crashing.org>

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