Additional abbreviations and product names.
New 'minitoc' substitution for use in page contents lists. e.g:
.. contents:: |minitoc|
:depth: 1
Broke out abbreviations into separate file.
Broke out vendor-specific substitutions into separate file to improve reuse
of common substitutions.
Changes to doc/source/configuration/intel_n3000_fpga.rst to demonstrate
|minitoc| and some incidental clean-up.
Signed-off-by: Stone <ronald.stone@windriver.com>
Change-Id: I7546e1d59feff213d397341ebde95351bd9ae834