README: Add info about extra apps / omxplayer

Signed-off-by: Andrei Gherzan <andrei@gherzan.ro>

README

@@ -34,7 +34,9 @@ Contents:
     2.C. Add purchased license codecs
     2.D. Disable overscan
     2.E. Set overclocking options
-3. Contribution
+3. Extra apps
+    3.A. omxplayer
+4. Contribution
 
 
 
@@ -94,16 +96,11 @@ URI: git://git.yoctoproject.org/poky
 branch: master
 revision: HEAD
 
-URI: git://git.openembedded.org/meta-openembedded
-branch: master
-revision: HEAD
-
 How to use it:
 
 1. source poky/oe-init-build-env rpi-build
-2. Add needed layers to bblayers.conf:
+2. Add needed layer to bblayers.conf:
     - meta-raspberrypi
-    - meta-openembedded/meta-oe
 3  Set MACHINE to raspberrypi in local.conf
 4. bitbake rpi-hwup-image
 5. dd to a SD card the generated sdimg file (use xzcat if rpi-sdimg.xz is used)
@@ -155,8 +152,18 @@ SDRAM_FREQ = "500"
 OVER_VOLTAGE = "6"
 
 
+3. Extra apps
+=============
 
-3. Contributing
+3.A. omxplayer
+==============
+omxplayer depends on libav which has a commercial license. So in order to be
+able to compile omxplayer you will need to whiteflag the commercial license
+adding to you local.conf:
+LICENSE_FLAGS_WHITELIST = "commercial"
+
+
+4. Contributing
 ===============
 
 To contribute to this layer you should send the patches for review to the