ARM: dts: msm: add AHB bus configurations for SM8150 multimedia GDSCs

The AHB bus must be enabled in order to access the control
register of multimedia GDSCs.  Add bus configurations for all
multimedia GDSCs so that the slave is connected to the config
NOC before any GDSC register accesses.

Change-Id: Ic32286cfb34f8a4c824f938e23efc091eff13ca4
Signed-off-by: David Collins <collinsd@codeaurora.org>