kbuild: add dummy obj-y to create built-in.o
We are going to switch over to Kbuild in upcoming commits.
Each makefile must have non-empty obj- or obj-y
to generate built-in.o on Kbuild.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/board/spear/common/Makefile b/board/spear/common/Makefile
index 08dc09f..b0ba320 100644
--- a/board/spear/common/Makefile
+++ b/board/spear/common/Makefile
@@ -5,7 +5,10 @@
# SPDX-License-Identifier: GPL-2.0+
#
-ifndef CONFIG_SPL_BUILD
+ifdef CONFIG_SPL_BUILD
+# necessary to create built-in.o
+obj- := __dummy__.o
+else
obj-y := spr_misc.o
obj-y += spr_lowlevel_init.o
endif