arm: kirkwood: Pogoplug-V4 : Add Kconfig files

Add Kconfig files for Pogoplug V4 board

Signed-off-by: Tony Dinh <mibodhi@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Pali Rohár <pali@kernel.org>
2 files changed