Merge changes Idca5ac07,Ifc85b131,I0a7a113f,I5087584a,I40360498 into msm-3.4

* changes:
  msm_serial_hs_lite: Unconditionally control UART AHB clock
  arm/dt: msm8974: Disable simulation UARTs by default
  msm: clock-8974: Remove support for mmss_mmssnoc_ahb_clk
  msm: clock-8974: Enable GPLL0's AUX2 output for acpuclock
  msm: clock-8974: Don't program an N value of zero