The Efika board isn't different enough from other 52xx based boards to
justify a separate platform.  This patch merges it with the support
code for all other 52xx based boards.
Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
Acked-by: NSylvain Munaut <tnt@246tNt.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

Add Efika (http://www.bplan-gmbh.de/efika_spec_en.html) platform
support for arch/powerpc.
Signed-off-by: NNicolas DET <nd@bplan-gmbh.de>
Acked-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NPaul Mackerras <paulus@samba.org>