Android O MR1 IOT Release 1.0.5 (5014699)
Merge remote-tracking branch 'aosp/upstream-hikey-aosp' into HEAD

Merge in changes from upstream edk2 project

Specifically:
o EmbeddedPkg/AbootimgLib: fix unused Status variable
o EmbeddedPkg/AbootimgLib: make initrd kernel parameter flexible
o BaseTools/tools_def: add "-fno-unwind-tables" to GCC_AARCH64_CC_FLAGS
o MdeModulePkg/UfsPassThruDxe: use loop to polling UTRLRSR
o MdeModulePkg/UfsPassThruDxe: avoid ufs hang by adding delay
o Revert "EmbeddedPkg/AndroidFastboot: add delay before reboot"

Signed-off-by: John Stultz <john.stultz@linaro.org>