ARM: dts: msm: Include ACV BCM with slv_ebi bus node for sdm845

Associate ACV BCM with slv_ebi bus node to enable
ACV voting on behalf of clients needing bandwidth
to DDR.

Change-Id: I49b5d0e9ae91df2b5817aa202f5f5d0e4f396ae0
Signed-off-by: David Dai <daidavid1@codeaurora.org>
Signed-off-by: Odelu Kukatla <okukatla@codeaurora.org>