upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support

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Masahiro Yamada 9e4140329e kbuild: change out-of-tree build ... This commit changes the working directory where the build process occurs. Before this commit, build process occurred under the source tree for both in-tree and out-of-tree build. That's why we needed to add $(obj) prefix to all generated files in makefiles like follows: $(obj)u-boot.bin: $(obj)u-boot Here, $(obj) is empty for in-tree build, whereas it points to the output directory for out-of-tree build. And our old build system changes the current working directory with "make -C <sub-dir>" syntax when descending into the sub-directories. On the other hand, Kbuild uses a different idea to handle out-of-tree build and directory descending. The build process of Kbuild always occurs under the output tree. When "O=dir/to/store/output/files" is given, the build system changes the current working directory to that directory and restarts the make. Kbuild uses "make -f $(srctree)/scripts/Makefile.build obj=<sub-dir>" syntax for descending into sub-directories. (We can write it like "make $(obj)=<sub-dir>" with a shorthand.) This means the current working directory is always the top of the output directory. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Tested-by: Gerhard Sittig <gsi@denx.de>		11 years ago
..
cbfs	fs: descend into sub directories when it is necessary	11 years ago
cramfs	fs: descend into sub directories when it is necessary	11 years ago
ext4	ext4: implement exists() for ext4fs	11 years ago
fat	fat: implement exists() for FAT fs	11 years ago
fdos	fs: descend into sub directories when it is necessary	11 years ago
jffs2	JFFS2: Correct jffs2_1pass_build_lists to use lldiv	11 years ago
reiserfs	fs: descend into sub directories when it is necessary	11 years ago
sandbox	sandbox: implement exists() function	11 years ago
ubifs	kbuild: change out-of-tree build	11 years ago
yaffs2	yaffs2: Remove block number check from summary verification	11 years ago
zfs	fs: descend into sub directories when it is necessary	11 years ago
Makefile	fs: descend into sub directories when it is necessary	11 years ago
fs.c	fat: implement exists() for FAT fs	11 years ago