Add the arch-specific code to support jump label for TILE-Gx. This
code shares NOP instruction with ftrace, so we move it to a common
header file.
Reviewed-by: NChris Metcalf <cmetcalf@ezchip.com>
Signed-off-by: NZhigang Lu <zlu@ezchip.com>
Signed-off-by: NChris Metcalf <cmetcalf@ezchip.com>