Revert "Make grouper's powerhal as OC-friendly as tuna's"

This reverts commit f43b30b9423ca05379af3e8416c8e41ed2add5e7.

Change-Id: I3a156468e3b51b9ede8f85f3f16ed1fa0e4225c7
power: remove cpufreq resets (3/4)

Change-Id: I6b2330352898cede7d5040023d47bb5f3a52ff57
Signed-off-by: Dennis Rassmann <showp1984@gmail.com>