scsi: ufs-qcom: configure ufs clocks core memory

Configure the ufs clocks core and peripheral memory state when
turned off. This configuration is required to allow retaining
ICE crypto configuration (including keys) when ice_core_clk is
turned off, and powering down non-ICE RAMs of host controller.

Change-Id: I93584851fd50c7006ccd48979087d707ab4c6408
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>