update the interrupt diagrams
Qixiang Xu authored
- Redraw the interrupt diagrams with dia tool
   - Change TSP_HANDLED_S_EL1_FIQ to TSP_HANDLED_S_EL1_INTR in sec-int-handling.png
   - Use the makefile generate the image to avoid unnessary generate
   - Add dia source code

Change-Id: I016022ca964720e8497c27c88a3f371459abc284
Signed-off-by: default avatarQixiang Xu <qixiang.xu@arm.com>
7f943ba6