Set PREFERRED_PROVIDERD for JPEG to avoid warnings.
Set PREFERRED_PROVIDERD for JPEG to avoid warnings.

See https://github.com/shr-project/meta-webos/commit/eb023ff00b958046c31e5984561260b815307162

gumstix/meta-gumstix,scottellis/meta-gumstix,scottellis/meta-gumstix,gumstix/meta-gumstix,gumstix/meta-gumstix