ARM: dts: msm: fix IPA hardware mode for sdm845

Set IPA HW mode to 0 (NORMAL) for sdm845.
HW mode was set incorrectly to VIRTUAL mode
which prevented msm_bus client from
getting initialized.

Change-Id: I10c053e4e5197299f24eb3c95e4417788ef3a932
CRs-Fixed: 2211969
Acked-by: Ady Abraham <adya@qti.qualcomm.com>
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>