Revert "Merge pull request #305 from frtos-wpan/pull-verbosity"

This reverts commit 231e77211804af53c69c5321cdcd962d58389a3f, reversing
changes made to e13d69cf41ee82e48a89ed530306cbd4991695ea.
Merge pull request #308 from adamdunkels/revert/verbosity

Revert "Merge pull request #305 from frtos-wpan/pull-verbosity"
Merge remote-tracking branch 'upstream/master'
Makefile.include: revised verbosity control

This should be more friendly to legacy operating systems that
don't support multiple shell commands per line. Note that
architecture-specific overrides need to be adapted, if verbosity
control is desired for them as well.
new version
cpu/arm/stm32-ocm3/Makefile.stm32-ocm3: support verbosity control