opie-sysinfo-images: fix warning about nonexistant ${S} directory
opie-sysinfo-images: fix warning about nonexistant ${S} directory

Point ${S} to ${WORKDIR}/pics to fix the warning.

Signed-off-by: Dmitry Eremin-Solenikov <b6edad08270b2e4ffbcb0879e25a0e29a48c5275@gmail.com>

bluelightning/meta-opie,bluelightning/meta-opie,bluelightning/meta-opie,bluelightning/meta-opie,bluelightning/meta-opie