arm: gplugd: convert to generic board

Enable CONFIG_SYS_GENERIC_BOARD for Marvell gplugD.

Signed-off-by: Ajay Bhargav <ajay.bhargav@einfochips.com>
Acked-by: Prafulla Wadaskar <prafulla@marvell.com>
Acked-by: Luka Perkov <luka.perkov@sartura.hr>
1 file changed