clk: msm: Add snapshot of clock framework files

This is snapshot of the clock framework files as of msm-3.18
'commit c0b3f609196f ("ARM: dts: msm: Remove GPU mempool
for msm8909")'.

Below is the brief description of the additional changes made:
1. Add COMMON_CLK_MSM config flag for conditional compilation for
   some common files used between COMMON_CLK_MSM and COMMON_CLK_QCOM
   clock framework files.
2. Add reset controller framework files for BCR operation.
3. Add conditional compilation support for FTRACE clock functions
   to maintain compatibility for clock framework based on
   COMMON_CLK_MSM and COMMON_CLK_QCOM.
4. Add files for GDSC operation.

Change-Id: Ia5688600ca8e548beb15745d3ce938fdf41f82de
Signed-off-by: Shefali Jain <shefjain@codeaurora.org>