libvideorender: Remove build result from source folder [1/2]

PD#SWPL-150462

Problem:
Remove build result from git folder to build result folder

Solution:
add output folder from bb to Makefile,
and set the make output files(.o, .so) to output folder

Verify:
local

Signed-off-by: guoping.li <guoping.li@amlogic.com>
Change-Id: I016d6e49f4348a1800b48b2878220965f6e37683
4 files changed