hikey: restructure hikey installer

Move hikey installer files to device/linaro/hikey/installer/hikey/

Fixed ANDROID_BUILD_TOP path and hikey-userdebug typo in
installer/hikey/flash-all.sh script.

Changes to be committed:
  rename installer/{ => hikey}/README (100%)
  rename installer/{ => hikey}/fip.bin (100%)
  rename installer/{ => hikey}/flash-all.sh (95%)
  rename installer/{ => hikey}/hisi-idt.py (100%)
  rename installer/{ => hikey}/l-loader.bin (100%)
  rename installer/{ => hikey}/nvme.img (100%)
  rename installer/{ => hikey}/ptable-aosp-4g.img (100%)
  rename installer/{ => hikey}/ptable-aosp-8g.img (100%)

Change-Id: Ibd222c49a33d9ba1c28e8fc64c83e4e413a1ecae
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
8 files changed