jtag-fuse: add jtag-fuse support for etm save restore

Values stored in etm are lost across power collapse.
Enable the jtag fuses properly that helps in proper
selection of ETM register save/restore.

CRs-fixed: 1056777
Change-Id: I1cbc343ab33a8e639c4aedf0c5e0323f5730a13f
Signed-off-by: Amey Telawane <ameyt@codeaurora.org>