ARM: dts: msm: add jtag fuse entry for 8939

Add JTag fuse device to the device tree for 8939. This will
allow JTag Fuse driver to probe this device and support JTag
fuse state query apis.

Change-Id: If329da65e49dd203e32ad1c8ec74a6309060bbe4
Signed-off-by: Xiaogang Cui <xiaogang@codeaurora.org>