ARM: dts: aspeed: Add SD card for Vesnin

Presence signal is inverted for vesnin boards, 'cd-inverted' added
for invertion signal enablement. Vesnin BMC uses microSD, there is
no WP switch, 'disable-wp' is used for this purpose.

Signed-off-by: Ivan Mikhaylov <i.mikhaylov@yadro.com>
Acked-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>