powerpc/t2080qds: enable eSDHC adapter card type identification

Enable eSDHC adapter card type identification and this will do
some corresponding operations and set 'adapter-type' property
for device tree according SDHC Card ID.

Signed-off-by: Yangbo Lu <yangbo.lu@freescale.com>
Cc: York Sun <yorksun@freescale.com>
Cc: Pantelis Antoniou <panto@antoniou-consulting.com>
Reviewed-by: York Sun <yorksun@freescale.com>