build-appliance-image: Update to master head revision

(From OE-Core rev: ffb886497390d4de2631bda671f2f631bc0bc7be)

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

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

@@ -24,7 +24,7 @@ IMAGE_FSTYPES = "wic.vmdk wic.vhd wic.vhdx"
 
 inherit core-image setuptools3
 
-SRCREV ?= "75f491e5e20bd0aade764ea5bd15f547fafb7684"
+SRCREV ?= "98dcd17a5c6c3c6ac3f542b47e358c714f88af6a"
 SRC_URI = "git://git.yoctoproject.org/poky \
            file://Yocto_Build_Appliance.vmx \
            file://Yocto_Build_Appliance.vmxf \