kbuild: rename TOPDIR to stctree
Prior to Kbuild, $(TOPDIR) or $(SRCTREE) was used for
pointing to the top of source directory.
(No difference between the two.)
In Kbuild style, $(srctree) is used instead.
This commit renames TOPDIR to srctree and delete the
defition of TOPDIR.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/doc/README.TPL b/doc/README.TPL
index 1df03b9..980debe 100644
--- a/doc/README.TPL
+++ b/doc/README.TPL
@@ -19,7 +19,7 @@
How it works
------------
-There has been a directory TOPDIR/spl which contains only a Makefile. The
+There has been a directory $(srctree)/spl which contains only a Makefile. The
Makefile is shared by SPL and TPL.
The object files are built separately for SPL/TPL and placed in the