riscv: add arch/riscv/Kbuild

Use the standard obj-y form to specify the sub-directories under
arch/riscv/. No functional change intended.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
This commit is contained in:
Masahiro Yamada 2019-08-21 18:26:58 +09:00 • committed by Paul Walmsley
commit 909548d6c5
2 changed files with 4 additions and 1 deletions