GitLab

* Give decent names to virt_addr and virt_addr_2
* add some comments
* move virtual addresses to the end of the struct,
  so they dont mess up the initializer.

Corresponding to flashrom svn r111 and coreboot v2 svn r2689.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>