Panic on non-compiled sources not used by match_srcs
Panic on non-compiled sources not used by match_srcs

Non-compiled sources not used by match_srcs may cause problems
and were not allowed prior to f4dcdd4fc0.

Change-Id: Ib566ac9b900cb4fb853ad861b56248571dde0676
Signed-off-by: Alexander Khabarov <410973c8966e1f78eb22e25cb3609e3bbce9769a@arm.com>

ARM-software/bob-build,ARM-software/bob-build,ARM-software/bob-build,ARM-software/bob-build,ARM-software/bob-build