arm, at91: add missing ddr2 cr register MPDDRC_CR_EBISHARE define

Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
1 file changed