Move all bluetooth testcases to tests/ and change Makefiles
accordingly where applicable.
Also fix Makefile to make some variables overridable and reduce
level of whitelisting in testcase.ini.
Change-Id: Ia71ee1fbbb238c45280b1e3c4747ca2f748f5263
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Anas Nashif