Add an android kernel loader that could load kernel from storage
device.
This android boot image BDS add addtitional cmdline/dtb/ramfs
support besides kernel that is introduced by Android boot header.
This patch is derived from Haojian's code as below link.
https://patches.linaro.org/patch/94683/
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>