Add hack support for FFU

Some device are not fully eMMC 5.0 FFU compliant.
Support ability to send hack to the kernel to support them.

BUG=chrome-os-partner:31155
TEST=Check Samsung upgrade

Change-Id: Icd2efbe0c4a78f1acfebd53ad1f147e5c77a38b1
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/239953
Reviewed-by: Puthikorn Voravootivat <puthik@chromium.org>
3 files changed
tree: 6ede590656c741b0adcfb6f4a74a3f9ffd68582f
  1. .gitignore
  2. Android.mk
  3. Makefile
  4. ffu.h
  5. man/
  6. mmc.c
  7. mmc.h
  8. mmc_cmds.c
  9. mmc_cmds.h