ANDROID: Kconfig.gki: Remove most of the built in qcom clks

There was a desire to see COMMON_CLK_QCOM set as a module
instead of building it in. So this patch removes it and
a few dependent modules from the built in list, and adds
them to the db845c_gki.fragment file as modules.

Bug: 149414941
Change-Id: I6fecab5f529c5db1d7788e330ce8815dc22c4d1f
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Saravana Kannan <saravanak@google.com>