msm: clock-krypton: Configure a divider of 1 for pcie_pipe

The pcie driver reconfigures the rate of the pcie_pipe clock when
necessary. Make the pcie_pipe rcg a 'pass through' by always setting a
divider of 1.

Change-Id: Ia6960adbad3e59fb1c5625f421f33219c6fd6827
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>