opteesp: consolidate stripped elf generation

Move the generation and installation code of stripped elf files needed
by the opteesp environment to a common place. The intent is to remove
code duplication and to make creating new deployments easier and more
robust.

Change-Id: I4088dc47c13dc9f35f6b35fb44afee620303bac3
Signed-off-by: Gyorgy Szing <Gyorgy.Szing@arm.com>
19 files changed