drm/i915: rename intel_runtime_{suspend, resume} to i915_pm_runtime_{suspend, resume}

drm/i915: rename intel_runtime_{suspend, resume} to i915_pm_runtime_{suspend, resume}

All the other struct dev_pm_ops hooks are named i915_pm_*(), but the
.runtime_suspend and .runtime_resume hooks are called
intel_runtime_suspend() and intel_runtime_resume(), respectively.

Rename intel_runtime_suspend() to i915_pm_runtime_suspend() and
intel_runtime_resume() to i915_pm_runtime_resume() to unify.

Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/fc5b796a3fd764a64b257edfdbe08e54b690efbc.1779876087.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>