drm/i915: Stop pretending VLV has rc6+
drm/i915: Stop pretending VLV has rc6+

It wasn't ever used by the caller anyway with the exception of what we
show in sysfs.

Signed-off-by: Ben Widawsky <73675debcd8a436be48ec22211dcf44fe0df0a64@bwidawsk.net>
Reviewed-by: Deepak S <b64e3b722d60644e9e2f2e15d0b99e87ffd5f23c@intel.com>
Reviewed-by: Rodrigo Vivi <f714145d6ee82178e54021e0c168f56d17b53c9c@gmail.com>
[danvet: Apply Deepak's suggestion.]
Signed-off-by: Daniel Vetter <c1b6782c4af8f0673da8923a0702a1832e5940f4@ffwll.ch>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs