fix windows aarch64 cross-build wrt REPORTBUILDER
broken after
a2a9850217b3f711440283131fdfc58a9a254919 which added the
REPORTBUILDER conditional, but didn't also put it into the special
PERMITTED_BUILD_TARGETS list - so it wasn't set during cross-compilation
and broke the build
C:/cygwin/home/tdf/jenkins/dly/s_master/solenv/gbuild/Configuration.mk:169: *** There is no target
C:/cygwin/home/tdf/jenkins/dly/b_master/workdir_for_build/XcuModuleTarget/officecfg/registry/data/org/openoffice/Setup-reportbuilder.xcu.
Stop.
Change-Id: I9474318eae775bcd974e79db0d8340a2d3839412
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/162504
Tested-by: Jenkins
Reviewed-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>