Provide separaate sd0 and sd0_uhs nodes rather than duplicate sd0 nodes.

Cc: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Fixes: 93373c30 ("arm64: dts: h3ulcb: rename SDHI0 pins")
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>