clk: qcom: Add MSM8960/APQ8064 LPASS clock controller (LCC) driver

Add an LCC driver for MSM8960/APQ8064 that supports the i2s,
slimbus, and pcm clocks.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Tested-by: Kenneth Westfield <kwestfie@codeaurora.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>