Revert "Revert "OMAPDSS: Added DSS OPPs and scale DSS OPP according to pixel"

This reverts commit 23c242e4f05a21f96d20460eda437b0c2ecf6160.
Revert "Revert "OMAP4: DSS: Implement workaround for Errata ID:i733.""

This reverts commit fbb8cd9a78ad38009a84497bd94c29a477324460.
Revert "init:calibrate: lpj from linux kernel 3.4"

This reverts commit 5de4a0a0c70e3e761ba6ddf7d809647828bcdaa6.
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