[yocto] [meta-raspberrypi][PATCH v2 5/7] rpi-base.inc: Allow MACHINE_FEATURES appends

[Petter Mabäcker]

Ensure that it's possible to add MACHINE_FEATURES from places that will
be executed before rpi-base.inc (like e.g. local.conf), without having
them overrided.

Signed-off-by: Petter Mabäcker <petter at technux.se>
---
 conf/machine/include/rpi-base.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/conf/machine/include/rpi-base.inc b/conf/machine/include/rpi-base.inc
index e097702..c8f6cd6 100644
--- a/conf/machine/include/rpi-base.inc
+++ b/conf/machine/include/rpi-base.inc
@@ -37,7 +37,7 @@ KERNEL_DEVICETREE ?= " \
     "
 KERNEL_IMAGETYPE ?= "Image"
 
-MACHINE_FEATURES = "kernel26 apm usbhost keyboard vfat ext2 screen touchscreen alsa bluetooth wifi sdio"
+MACHINE_FEATURES += "kernel26 apm usbhost keyboard vfat ext2 screen touchscreen alsa bluetooth wifi sdio"
 
 # Raspberry Pi has no hardware clock
 MACHINE_FEATURES_BACKFILL_CONSIDERED = "rtc"
-- 
1.9.1