ARM: dts: msm: Use the MHZ_TO_MBPS macro for sdm670

Let the DT compiler do the math for us instead of writing the
precomputed values directly into DT.

Change-Id: I65ca97bef1124f1217eabd3eb546e261080d0975
Signed-off-by: Santosh Mardi <gsantosh@codeaurora.org>
1 file changed