ARM: dts: msm: modify llcc bw range for sm8150

LLCC BW is the total BW for LLC+DDR, previous range is
too small, modify to use the same upper limit as DDR BW.

Change-Id: I7fcaf921878dda229c60bd9e96447b61d0e2e9aa
Signed-off-by: Qiwei Liu <qiweil@codeaurora.org>