Staging: rtl8192e: fix some codingstyle issues

dot11d.h needed a good refactoring - I've dropped some of the //
comments or transformed them to match the kernel documentation.
r8180_93cx6.h - fixed a little bit the copyright section.

Signed-off-by: Radu Voicilas <rvoicilas@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>