msm: clock-8960: adjust clocks for m4 video camera

* increase the value of VDD_DIG_FMAX_MAP3 to match clock freq
* increase the value of MSM_ION_MM_SIZE
* add 200000000 rate to clk_tbl_vpe and make it the new nominal value for
  VDD_DIG_FMAX_MAP2 within vpe_clk.

Change-Id: I60b433375413a1b2f4872a7b70ee88b60c8bfbf4