Revert "Add Simple I/O scheduler"

this is useless with sioplus

This reverts commit 4ad090e92e9836507c6cbbd50a9c797b450a752a.

Change-Id: I7568216cc412c733a97311ec2f910be7741d33e4
derp

Change-Id: I5764455ff2b910e070393f9c783e9feae9a9a833
db8500-prcmu: Adjusted codina freq table

Based on voltages provided by @ace2nutzer and @zwliew modifications