build-appliance-image: Update to mickledore head revision

(From OE-Core rev: 23b5141400b2c676c806df3308f023f7c04e34e0)

Signed-off-by: Steve Sakoman <steve@sakoman.com>

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 ?= "b4fc02f9414ff16b541669150cabe0d79a95f155"
+SRCREV ?= "7f366c7d843d979e7b2c33f76cc8723f281cb890"
 SRC_URI = "git://git.yoctoproject.org/poky;branch=mickledore \
            file://Yocto_Build_Appliance.vmx \
            file://Yocto_Build_Appliance.vmxf \