soc: qcom: hab: add dts parsing into hab driver

HAB driver can parse its relevant entries from device
tree, and get necessary info, like its local vmid,
physical channel groups, and etc.

Change-Id: Iab0501a442bd3c89dd4b348570108dbe5ab0adca
Signed-off-by: Yong Ding <yongding@codeaurora.org>