media: sti: fix obj-$(config) targets

The right thing to do is to add a new object to the building
system when a certain config option is selected, and *not*
override them.

So, fix obj-$(config) logic at sti makefiles, using "+=",
instead of ":=".

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2021-05-18 11:26:31 +02:00
commit 56c1f08762
3 changed files with 3 additions and 3 deletions