ERROR: Multiple .bb files are due to be built which each provide sshd (/vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/meta/recipes-core/dropbear/dropbear_0.52.bb /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/meta/recipes-connectivity/openssh/openssh_5.6p1.bb). This usually means one provides something the other doesn't and should. ERROR: Multiple .bb files are due to be built which each provide ssh (/vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/meta/recipes-core/dropbear/dropbear_0.52.bb /vol/1/sgw/autobuilder/poky-slave/poky-full-ia/build/meta/recipes-connectivity/openssh/openssh_5.6p1.bb). This usually means one provides something the other doesn't and should.
Khem Raj suggested that the openssh recipe could be split up into two recipes, so images which want to make use of, say sftp-server can do so without running into this conflict.
http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=d099a9e75110c96e452fe6f2288fa41cdc5d9e5d