drm/i915: Read guaranteed freq for valleyview
drm/i915: Read guaranteed freq for valleyview

Reading RP1 for valleyview to help us enable "pm_rps" i-g-t testcase
execution.

Signed-off-by: Deepak S <b64e3b722d60644e9e2f2e15d0b99e87ffd5f23c@linux.intel.com>
Reviewed-by: Mika Kuoppala <cd221c71e765d1ce593d15b204fee351fb09fd98@intel.com>
[danvet: Add missing static.]
Signed-off-by: Daniel Vetter <c1b6782c4af8f0673da8923a0702a1832e5940f4@ffwll.ch>

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