ARM: dts: msm: Migrate 8x74 memory regions to CMA

CMA now fully supports removing regions from memory. Since CMA
is the preferred method for tracking these regions as well, migrate
all removed regions over to use CMA and CMA derivatives.

Change-Id: Ifc04abcb5f4d4b67ff37c23556afb9a55a9f0902
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>