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

PD#SWPL-151598

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

Solution:
add output folder from bb to Makefile,
1.move aml_version.h to B folder
2.if aml_version.h is suitable for the git commit ID, needn't update
3.if never call version_config.sh, in configure.ac, it will create a
default one from aml_version.h.in

Verify:
local

Signed-off-by: guoping.li <guoping.li@amlogic.com>
Change-Id: I27eca8a92689bd920d029014e6a169236a7bd4ee
5 files changed