u-boot-cubox-i: update to ed888a1e88 SRCREV

This patch updates the revision to ed888a1e88 and corrects the
github URI , which should link to "SolidRun" instead of "rabeeh".

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>