Add an SPMI PMIC arbiter device to communicate with PMICs
attached to the SPMI bus.
Add an SPMI debug bus device and associated child devices.
Add PMIC Glink device and their client devices.
Add top level SPMI slave devices for PMK8550, PM8550B, PM8550VE,
PM8550VS and PMXR2230 PMICs.
Also add some of the peripheral devices within the SPMI
slave devices.
Change-Id: I4971dcb0788e90d45551a83111e87d321981da7c