devicetree: use wildcard to clean arch subdir
Use wildcard to clean arch subdirectories, as it is cleaner than
listing all the arch which builds dtb.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/dts/Makefile b/dts/Makefile
index c4ac153..dbde703 100644
--- a/dts/Makefile
+++ b/dts/Makefile
@@ -45,4 +45,4 @@
clean-files := dt.dtb.S
# Let clean descend into dts directories
-subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/mips/dts ../arch/sandbox/dts ../arch/x86/dts
+subdir- += ../arch/*/dts