Bluetooth: Init: Updated filiter options for test_20

Added filter options to avoid building for the Arduino_101
and Quark_se ARC core as there is not enough RAM to run this
test.

Change-Id: I0c1172714c9827e632648fcedc67555251f25769
Signed-off-by: Itankar, Piyush T <piyush.t.itankar@intel.com>