edbus: add eina to DEPENDS

* it's using that
| performance.c:2:18: fatal error: Eina.h: No such file or directory
| compilation terminated.
| make[3]: *** [e_dbus_performance-performance.o] Error 1
| make[3]: *** Waiting for unfinished jobs....
| make[3]: Leaving directory /OE/shr-core/tmp-eglibc/work/armv4t-oe-linux-gnueabi/edbus-2_1.2.1+svnr74419-r0.0/e_dbus/src/bin

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>