power: regulator: replace dev_dbg() by dev_err() in regulator_post_bind()

To ease debugging, use dev_err() instead of dev_dbg() for
alerting when regulator has nonunique value.

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
1 file changed