TIMOB-11175 Use XCode defaults for modules, focus only Armv7 for apps.
Merge branch 'master' into timob-11175
TIMOB-11175 No need for VALID_ARCHS to be defined
Merge pull request #3363 from BlainHamon/timob-11175

TIMOB-11175 Use XCode defaults for modules, focus only Armv7 for apps.