build-all.py: Add support for mpq*_defconfig

mpq8092_defconfig does not match the existing msm pattern
because of not having its name started with msm prefix.
Compile it too.

Change-Id: I1b758e33fa550fdac539a18cc61a6a8348f61f71
Signed-off-by: Srinivas Ramana <sramana@codeaurora.org>