ARM: dts: msm: Add clock and cpufreq support for sdxhedgehog

Add clock and msm-cpufreq tables for sdxhedgehog.

On sdxhedgehog CPU clock runs at different frequencies comparing
to californium. This change overrides the californium CPU frequency.

Change-Id: If051ddfbd301a9faf0e1ed052a1dd641a142c709
Signed-off-by: Vicky Wallace <vwallace@codeaurora.org>