regulator: Lower priority of constraint logging

Some systems have very large numbers of regulators so the constraint
logging done at startup can end up being a very big part of the boot
output which is both verbose and slows things down if the console is
a serial console. Lower to dev_dbg() instead, we may want to provide
a boot parameter to raise this in future but for now people can edit
the source.
Signed-off-by: NMark Brown <broonie@kernel.org>
Reviewed-by: NGuenter Roeck <linux@roeck-us.net>

drivers/regulator/core.c

@@ -828,7 +828,7 @@ static void print_constraints(struct regulator_dev *rdev)
 	if (!count)
 		sprintf(buf, "no parameters");
 
-	rdev_info(rdev, "%s\n", buf);
+	rdev_dbg(rdev, "%s\n", buf);
 
 	if ((constraints->min_uV != constraints->max_uV) &&
 	    !(constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE))