[source] uml: mark as source-only

[LEDE Commits]

nbd pushed a commit to source.git, branch lede-17.01:
https://git.lede-project.org/c2ecf9c37ad7b3fe8232e685beebcae3054d9c12

commit c2ecf9c37ad7b3fe8232e685beebcae3054d9c12
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Tue Jan 24 12:44:59 2017 +0100

    uml: mark as source-only
    
    Get rid of a special case in the buildbot script
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 target/linux/uml/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/linux/uml/Makefile b/target/linux/uml/Makefile
index 9163139..7cf1614 100644
--- a/target/linux/uml/Makefile
+++ b/target/linux/uml/Makefile
@@ -20,7 +20,7 @@ ARCH:=$(shell uname -m | sed \
 )
 BOARD:=uml
 BOARDNAME:=User Mode Linux
-FEATURES:=squashfs ext4 audio
+FEATURES:=squashfs ext4 audio source-only
 MAINTAINER:=Florian Fainelli <florian at openwrt.org>
 
 KERNEL_PATCHVER:=4.4