GitLab

 - Use [<vendor>:]<board>], not [<vendor>:]<part>], which is more clear.

 - Mention TSOP48 chips in the description.

 - Highlight various additional parts in the manpage which were missing
   so far (i.e., make them bold), including cmdline switches and others.

 - Mention that you can use -VV.

 - Fix name of the now-renamed 'Supported mainboards' section in -L output.

 - Mention that ft2232_spi and buspirate_spi only support SPI chips.

 - Readability and cosmetic improvements, add missing escapes, fix typos.

Corresponding to flashrom svn r1038.
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>