board_info.txt: Classify almost all remaining boards.

Based on info from commit messages (most devel/eval boards are mentioned
as such in commit message) and information from vendor sites (mostly based
on form factor).

Classification for siemens/sitemp_g1p1 is based on info by Nico Huber.

For Google boards based on info from ML posted by Aaron Durbin.

Remaining unclassified board is:
google/pit

For which very little info is available publically.

Change-Id: I12dfff4c629811a48cfc77be27bdc5081530b8f6
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4759
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@gmail.com>

src/mainboard/intel/baskingridge/board_info.txt

@@ -0,0 +1 @@
+Category: eval