Update URL for Gumstix RPM Package Repository.
Update URL for Gumstix RPM Package Repository.

NOTE: this is branch specific.  Change 'dev' to 'master' when this
code goes live.

Signed-off-by: Ash Charles <80cee6ff557ba1c5981cd5d98755c09f634abbac@gmail.com>

rghunter/meta-gumstix-extras,gumstix/meta-gumstix-extras,allsey87/meta-bebot-temp,rghunter/meta-gumstix-extras,allsey87/meta-bebot-temp,rghunter/meta-gumstix-extras,allsey87/meta-bebot-temp,gumstix/meta-gumstix-extras,gumstix/meta-gumstix-extras