Add b-test improvements

This patch
  - Makefile:
      - call make trough ${MAKE} to avoid jobserver warnings
  - run.sh:
      - enable ccache usage when available
      - run verbose builds to produce better log files
  - test_data.yaml
      - sort builds by name

Change-Id: I1cbd63f10010d3d63733ce83e7cb007bfcfa6b5a
Signed-off-by: Gyorgy Szing Gyorgy.Szing@arm.com
3 files changed