Radeon module info: Don't parse error messages.
in case of an error, like the radeon module being buid into the kernel, the info shows:
Option  | Value   | Description
modinfo | unknown | ERROR

Now it shows nothing instead.

Signed-off-by: V10lator <v10lator@myway.de>
Merge pull request #4 from V10lator/modinfo

Radeon module info: Don't parse error messages.