drivers: media: intel-ipu3.h: fix identation on a kernel-doc markup

The "Rule" description is part of y_calc parameter. Having a line
starting at the beginning makes it part of the function description
instead, which is not the original intent.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/96cd1068aa8ec0a072528082670ccb8aa3704f70.1740387599.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

Author: mchehab

drivers/staging/media/ipu3/include/uapi/intel-ipu3.h

@@ -322,7 +322,8 @@ struct ipu3_uapi_ae_config {
  *			0: positive, 1: negative, default 0.
  * @y_calc:	Pre-processing that converts Bayer quad to RGB+Y values to be
  *		used for building histogram. Range [0, 32], default 8.
- * Rule:
+ *
+ *		Rule:
  *		y_gen_rate_gr + y_gen_rate_r + y_gen_rate_b + y_gen_rate_gb = 32
  *		A single Y is calculated based on sum of Gr/R/B/Gb based on
  *		their contribution ratio.