msm: clock-8916: clock changes for 8916

- Update debug_mux select value for gcc_bimc_gpu_clk
to match latest hardware frequency plan.
- Change has_sibling to 0 for gcc_oxili_gfx3d_clk so
that GPU driver can set rate of RCG through this branch
clock.
- Correct the xo_pil_mss_clk which is used by PIL driver
and add it to clock list.
- Add xo_pil_pronto_clk to clock list

Change-Id: I4cb357179a449dfcc5046d35497a843447fa6c67
Signed-off-by: Taniya Das <tdas@codeaurora.org>