drm/i915/selftests: Report missing RC0 power as an error

The RC0 no-power case is a hard failure (-EINVAL); log it via pr_err
instead of pr_debug so it is captured in default kernel logs.

Signed-off-by: Sk Anirban <sk.anirban@intel.com>
Reviewed-by: Badal Nilawar <badal.nilawar@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patch.msgid.link/20260729112446.2919206-2-sk.anirban@intel.com
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Sk Anirban 2026-07-29 16:54:47 +05:30 • committed by Andi Shyti
commit f9486c7485
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