fixes FS#1034, squash fs images fails to boot because of missing ARM BCJ filter decoder
also activate squashf image creation
Signed-off-by: Lucian Cristian <lucian.cristian@gmail.com>
OVERLAY_FS config symbol selects EXPORTFS since 4.12 kernel, we have
OVERLAY_FS enabled by default, so enable EXPORTFS in the generic config
of 4.14 and remove this option from platform specific configs.
Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
