ARM: dts: msm: Reduce IPA msm bus votes for sdm845

Values voted for are multiplied by 1000 in the bus driver,
causing higher than expected IPA votes, divide to the
registered values to account for the unit.

Change-Id: Ia884f4fec94723e752f142f1cb5bb9483020c86f
Signed-off-by: David Dai <daidavid1@codeaurora.org>