msm: acpuclock-8974: Modify L2 and DDR mapping

Helps power by voting for DDR to run at 460 MHZ
instead of 614 MHz when L2 is running at 1.04 GHz

Change-Id: I6e285de5d1806adcbedf2e526de9c733814df709
Signed-off-by: Dilip Gudlur <dgudlur@codeaurora.org>
Merge "msm: acpuclock-8974: Modify L2 and DDR mapping"