regulator: tps6586x: (cosmetic) simplify a conditional

of_node_put() is called on either branch of a conditional, simplify the
code by only calling it once.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
1 file changed