build-appliance-image: Update to thud head revision

(From OE-Core rev: cd7cf933b3235560ec71576d8f3836dff736a39f)

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 ?= "795af97c45a436e32023ee383ce30194dec262c4"
+SRCREV ?= "2c5af52109bca8c0452b1539589cf073f6f0064a"
 SRC_URI = "git://git.yoctoproject.org/poky;branch=thud \
            file://Yocto_Build_Appliance.vmx \
            file://Yocto_Build_Appliance.vmxf \