build-appliance-image: Update to master head revision

(From OE-Core rev: 1fd7d0f2fbf7e200844c675ddb77513a8d5d7327)

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

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

@@ -22,7 +22,7 @@ IMAGE_FSTYPES = "wic.vmdk"
 
 inherit core-image module-base setuptools3
 
-SRCREV ?= "4e6ce6231a9e81650a2e116a43f2a9716739210c"
+SRCREV ?= "53332c9f1bd270f34a290fea68fde1d3ff41f86e"
 SRC_URI = "git://git.yoctoproject.org/poky;branch=thud \
            file://Yocto_Build_Appliance.vmx \
            file://Yocto_Build_Appliance.vmxf \