[U-Boot] [PATCH 09/45] blk: Support block drivers in TPL

[sjg at google.com]

At present it is not possible to enable/disable block drivers in TPL. This
is needed to provide sandbox support. Add a Kconfig option and adjust the
Makefile.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 drivers/block/Kconfig  | 12 ++++++++++++
 drivers/block/Makefile |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)

Applied to u-boot-dm