Merge remotes/origin/clk_clkdm_a_2.6.39

* remotes/origin/clk_clkdm_a_2.6.39:
  OMAP2xxx: clock data: clean up some comments
  OMAP2xxx: clock: fix clockdomains on gpt7_ick, 2430 mmchs2_fck clocks
  OMAP2/3: clockdomains: remove warnings on an OMAP3-only compile
  OMAP2xxx: clock: remove dsp_irate_ick