Revert "LiveOPP: rewrite db8500_prcmu_update_freq a bit to get it working on Codina"

This reverts commit 86ba96df806c3931dabf14d0563200d31e3b6060.
LiveOPP: changes for Codina to get it working

based on commit https://github.com/cocafe/i9070_kernel_CoCore-E/commit/301ad41963880d836f9cb9dda0eb763b68f206d7 and also has little changes in liveopp_arm_table by me

Signed-off-by: Shilin Victor <chrono.monochrome@gmail.com>