kernelshark: add missing ${D}

kernelshark: add missing ${D}

This was noticed by the following warnings of files that should have been removed!

WARNING: QA Issue: kernelshark: Files/directories were installed but not shipped
  /usr/share
  /usr/share/trace-cmd
  /usr/share/trace-cmd/plugins
  /usr/share/trace-cmd/plugins/plugin_blk.so
  /usr/share/trace-cmd/plugins/plugin_sched_switch.so
  /usr/share/trace-cmd/plugins/plugin_kmem.so
  /usr/share/trace-cmd/plugins/plugin_kvm.so
  /usr/share/trace-cmd/plugins/plugin_function.so
  /usr/share/trace-cmd/plugins/plugin_jbd2.so
  /usr/share/trace-cmd/plugins/plugin_hrtimer.so
  /usr/share/trace-cmd/plugins/plugin_mac80211.so
  /usr/share/trace-cmd/plugins/.debug
  /usr/share/trace-cmd/plugins/.debug/plugin_blk.so
  /usr/share/trace-cmd/plugins/.debug/plugin_sched_switch.so
  /usr/share/trace-cmd/plugins/.debug/plugin_kmem.so
  /usr/share/trace-cmd/plugins/.debug/plugin_kvm.so
  /usr/share/trace-cmd/plugins/.debug/plugin_function.so
  /usr/share/trace-cmd/plugins/.debug/plugin_jbd2.so
  /usr/share/trace-cmd/plugins/.debug/plugin_hrtimer.so
  /usr/share/trace-cmd/plugins/.debug/plugin_mac80211.so

Signed-off-by: Saul Wold <sgw@linux.intel.com>