build-appliance-image: Update to master head revision

(From OE-Core rev: fed2692c4e7b87fd2bf08a5abb4391b79bbfc982)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/images/build-appliance-image_15.0.0.bb

@@ -26,7 +26,7 @@ inherit core-image setuptools3 features_check
 
 REQUIRED_DISTRO_FEATURES += "xattr"
 
-SRCREV ?= "dd862931b5d9a29af26c10b717317e00319212b8"
+SRCREV ?= "2a832e6af1b6a9787ef0c17b6670fbb4633a8fc5"
 SRC_URI = "git://git.yoctoproject.org/poky;branch=master;destsuffix=poky \
            file://Yocto_Build_Appliance.vmx \
            file://Yocto_Build_Appliance.vmxf \