regulator: palmas: Fix incorrect condition

Since 'id' cannot take two values at the same time, the condition
should probably be an OR (||) instead of AND (&&).

Introduced by commit 28d1e8cd

 ("regulator: palma: add ramp delay
support through regulator constraints").

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>