Remove IMAGE_FSTYPES ext4 from 4k models. [DH] meta-bsp/conf/machine/vusolo4k.conf [DH] meta-bsp/conf/machine/vuultimo4k.conf [DH] meta-bsp/conf/machine/vuuno4k.conf [DH] meta-bsp/conf/machine/vuuno4kse.conf [DH]...