kbuild: doc: document subdir-y syntax
authorMasahiro Yamada <masahiroy@kernel.org>
Sat, 28 Nov 2020 11:51:08 +0000 (20:51 +0900)
committerMasahiro Yamada <masahiroy@kernel.org>
Mon, 21 Dec 2020 04:57:07 +0000 (13:57 +0900)
commitc0ea806f874eb32894249b4a67c2f2452881b775
tree0db0a94c9a5897cc2d8dd6abb679b79ce085178e
parentd0e628cd817f3b67ad80cceaf527c7bb37c27b1c
kbuild: doc: document subdir-y syntax

There is no explanation about subdir-y.

Let's document it.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Documentation/kbuild/makefiles.rst