drivers/platform/x86/acerhdf.c: correct Boris' mail address

Correct mail address reference to a mail account which I actually read.

Signed-off-by: Borislav Petkov <[e-mail]>
Cc: Peter Feuerer <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/platform/x86/acerhdf.c

···
  *
  * (C) 2009 - Peter Feuerer     peter (a) piie.net
  *                              http://piie.net
- *     2009 Borislav Petkov <[e-mail]>
+ *     2009 Borislav Petkov	bp (a) alien8.de
  *
  * Inspired by and many thanks to:
  *  o acerfand   - Rachel Greenham