meta-arm-bsp no longer has to depend on meta-oe, and in the future
meta-gem5 could be moved out of meta-arm.
Change-Id: I49fa8f793b60af8c0cdb7e04b27fb53fc094cdad
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>