regulator: pfuze100: Fix off-by-one for max_register setting

max_register should be register count - 1.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
1 file changed