To support ODL to read data from QDSS, create a custom group
and set permission of byte-cntr device. And also set
permission to coresight-tmc-etr/block_size to enable
byte-cntr feature.
Change-Id: Ic80156667dd7511392d5970ddcbd0fdc43ffffca
Signed-off-by: Saranya Chidura <schidura@codeaurora.org>