open-amp: add flags for apps' configurations
open-amp: add flags for apps' configurations

Allow proxy lib and apps to disabled by usage of flag OPENAMP_PROXY
if OPENAMP_PROXY="0", then proxy is not built or linked in

Enable apps to use shared memory polling via flag OPENAMP_SHMEM_POL="1"

Both of these flags can be used in local.conf

Signed-off-by: Ben Levinsky <88583d07376f9000f4118e027ce99efd9f622ebf@xilinx.com>
Signed-off-by: Mark Hatle <41765ab18fb75e64ff0efe27f2ebcdb2d6f7e44e@xilinx.com>

OpenAMP/meta-openamp,OpenAMP/meta-openamp