gfxml2dto:fngsystem: Set fixed SRCREV, don't pull the fec hack for nallino

Its wired in yocto network does only work with the fix, in fngsystem
it does not.

recipes-guf/gfxml2dto/gfxml2dto_git.bb

@@ -9,6 +9,11 @@ DEPENDS = "dtc"
 SRCREV = "${AUTOREV}"
 SRC_URI = "git://git@gitlab.com/garz-fricke/tools/gfxml2dto.git;protocol=ssh;branch=dunfell;nobranch=1"
 
+# Hack: in the 60b9 + 1 we removed the fec1 prop 'local-mac-address'
+# With fngsystem network does not work without, in yocto it does not work with 
+# the property. Just to get it running for now.
+SRCREV_fng = "60b9fbcf1ea23eb6c17b4937323842795db9e242"
+
 # Create a <tag>-<number of commits since tag>-<hash> Version string
 inherit gitpkgv
 PKGV = "${GITPKGVTAG}"