dt-bindings: clock: Add support for APSS clock ids for SDXLEMUR

Add clock IDs for APSSCC clients to be able to request for clocks
from these clock controllers.

Change-Id: I284beb3b62a4f5c4521c7e7e0f9d068c469a85bb
Signed-off-by: Naveen Yadav <naveenky@codeaurora.org>