[Intel-gfx] [PATCH 5/5] drm/i915: remove unused power_well/get_cdclk_freq api

[shuang.he at intel.com]

Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he at intel.com)
-------------------------------------Summary-------------------------------------
Platform          Delta          drm-intel-nightly          Series Applied
PNV                                  364/364              364/364
ILK              +1-9              364/366              356/366
SNB                                  448/450              448/450
IVB                 -1              497/498              496/498
BYT                                  289/289              289/289
HSW                                  563/564              563/564
BDW                                  417/417              417/417
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
*ILK  igt_kms_pipe_crc_basic_bad-nb-words-3      PASS(2, M26)      DMESG_WARN(1, M26)
*ILK  igt_kms_setmode_invalid-clone-exclusive-crtc      PASS(3, M26)      DMESG_WARN(1, M26)
*ILK  igt_kms_flip_rcs-wf_vblank-vs-dpms-interruptible      PASS(4, M26)      DMESG_WARN(1, M26)
*ILK  igt_kms_render_direct-render      PASS(3, M26)      DMESG_WARN(1, M26)
*ILK  igt_kms_flip_flip-vs-dpms-interruptible      PASS(3, M26)      DMESG_WARN(1, M26)
*ILK  igt_kms_flip_rcs-flip-vs-dpms      PASS(2, M26)      DMESG_WARN(1, M26)
*ILK  igt_kms_flip_rcs-flip-vs-modeset      PASS(3, M26)      DMESG_WARN(1, M26)
*ILK  igt_kms_flip_rcs-flip-vs-panning      PASS(3, M26)      DMESG_WARN(1, M26)
 ILK  igt_kms_flip_wf_vblank-ts-check      DMESG_WARN(1, M26)PASS(8, M26M37)      PASS(1, M26)
*ILK  igt_kms_flip_wf_vblank-vs-modeset-interruptible      PASS(3, M26)      DMESG_WARN(1, M26)
*IVB  igt_kms_cursor_crc_cursor-64x64-random      PASS(3, M4M21)      DMESG_WARN(1, M21)
Note: You need to pay more attention to line start with '*'