plnx-deploy.bbclass: Add postfuncs to deploy_setscene
plnx-deploy.bbclass: Add postfuncs to deploy_setscene

If we point the sstates mirrors the recipe will not exicute the do_deploy
function due to this it wont copy images to OUTPUT_DIR.
To add this support create postfuncs for deploy_setscene for defined recipes.

Signed-off-by: Raju Kumar Pothuraju <faf499088bbd7c813560772aeae4b5ae1c5f96a7@xilinx.com>
Signed-off-by: Mark Hatle <41765ab18fb75e64ff0efe27f2ebcdb2d6f7e44e@xilinx.com>

Xilinx/meta-petalinux,Xilinx/meta-petalinux,Xilinx/meta-petalinux,Xilinx/meta-petalinux,Xilinx/meta-petalinux,Xilinx/meta-petalinux