hikey960: generate-factory-images-hikey960.sh: Modify flash-all.sh for ptable change

This is for future ptable change. In that case, need to flash xloader
before ptable.

And after ptable is flashed, need to reboot board to make it take
effect.

Change-Id: I55de538f794aa25c7f99d0543558d677df3706c9
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
1 file changed