Add bananapi-m3

Change-Id: Id0a252a4b76221d516bfe1ca8b01f0702b88f31e
Signed-off-by: Thomas Klaehn <tkl@blackfinn.de>

README.md

@@ -14,27 +14,9 @@ $ repo sync
 ## Set Environment
 
 ```shell
-$ MACHINE=<machineconf> source blackfinn-init-build-env-init-build-env
+$ source [bbb/rpi]-init-build-env
 ```
 
-Supported machineconfs:
-
-* qemuarm
-* qemuarm64
-* qemumips
-* qemumips64
-* qemuppc
-* qemux86
-* qemux86-64
-* beaglebone-yocto
-* edgerouter
-* genericx86
-* genericx86-64
-* mpc8315e-rdb
-* raspberrypi3-64
-* bananapi-m3
-
-
 ## Build the Image
 ```shell
 $ bitbake console-image

default.xml

@@ -5,7 +5,6 @@
 	<remote name="yo" fetch="git://git.yoctoproject.org"/>
 	<remote name="oe" fetch="git://git.openembedded.org"/>
 	<remote name="bf" fetch="https://git.blackfinn.de/yocto"/>
-	<remote name="sx" fetch="https://github.com/linux-sunxi"/>
 
 	<project name="poky" remote="yo" revision="thud" path="layers/poky"              clone-depth="1"/>
 	<project name="oe"   remote="oe" revision="thud" path="layers/meta-openembedded" clone-depth="1"/>