iio: accel: mma8452: Remove trailing whitespace

This patch fixes the following checkpatch.pl error:
ERROR: trailing whitespace

Signed-off-by: Roberta Dobrescu <roberta.dobrescu@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index 3c12d49..5b80657 100644
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -111,7 +111,7 @@
 	{6, 250000}, {1, 560000}
 };
 
-/* 
+/*
  * Hardware has fullscale of -2G, -4G, -8G corresponding to raw value -2048
  * The userspace interface uses m/s^2 and we declare micro units
  * So scale factor is given by: