trival. All the changes is about comment and spaces.

trival. All the changes is about comment and spaces.
In superio folder.

1. Delete trailing white spaces.
2. Change the // comment to /* */.
3. Add some copyright header.
4. reindent.
5. delete multi blank lines.

I tried my best to find them. If anything left, please fix it
or tell me.

Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Acked-by: Zheng Bao <zheng.bao@amd.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4993 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1