regulator: Return an error from stubbed regulator_get_exclusive()
regulator: Return an error from stubbed regulator_get_exclusive()

The user hasn't got a regulator and shouldn't be mislead into thinking
they have one; really we should probably remove this stub entirely (and
may well before the next merge window).

Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@kernel.org>

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