regulator: core: fix constraints output buffer

The buffer for condtraints debug isn't big enough to hold the output
in all cases. So fix this issue by increasing the buffer.
Signed-off-by: NStefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: NMark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org>

drivers/regulator/core.c

@@ -779,7 +779,7 @@ static int suspend_prepare(struct regulator_dev *rdev, suspend_state_t state)
 static void print_constraints(struct regulator_dev *rdev)
 {
 	struct regulation_constraints *constraints = rdev->constraints;
-	char buf[80] = "";
+	char buf[160] = "";
 	int count = 0;
 	int ret;