[Makefile] Use OMX extensions by default in JB.
[Makefile] Use OMX extensions by default in JB.

Change-Id: Iedda212220515cf11a9f3b4e5a7ccd841b20aae6
Signed-off-by: Alberto <aa6fb091f85d88314dcfaafdf938285dc22f8824@ti.com>

aosp/dvp,aosp/dvp,aosp/dvp,aosp/dvp