Without this change the board support for these SPEAr boards would
be dropped soon. Generic board support seems to work just fine.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Vipin Kumar <vk.vipin@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>