media: ipu3.rst: add explanation for running mode

Add some explanation of the ImgU running mode and add more information
about firmware selection and running mode usage.

Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Bingbu Cao 2020-04-17 11:34:33 +02:00 • committed by Mauro Carvalho Chehab
commit 11de96b94f
2 changed files with 23 additions and 8 deletions