mailmap: Add more entries for incomplete author information

More commits have ended up in the tree with incomplete author
information. Add entries for these to .mailmap so at least
git shortlog shows them correctly.

Before:

     3  Aceves
     3  ktseng
     1  bitpathe
     1  cacu

After:

    19  Gerardo Aceves
     3  Kuo-Lang Tseng
     1  Bit Pathe
     9  Carles Cufi

Change-Id: I793f1fb0f5aee25ee189d2102ef88ee24ac348d6
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>