bluez4: Add glib-2.0 to DEPENDS

bluez4: Add glib-2.0 to DEPENDS

Fixes

| attrib/utils.c:25:18: fatal error: glib.h: No such file or directory
| compilation terminated.
| make[1]: *** [attrib/utils.o] Error 1
| make[1]: *** Waiting for unfinished jobs....
| attrib/interactive.c:27:18: fatal error: glib.h: No such file or
directory
| compilation terminated.
| make[1]: *** [attrib/interactive.o] Error 1
| make: *** [all] Error 2

(From OE-Core rev: 3ada29c7622f898002e156e23c60115c046c118b)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>