ARM64: dts: marvell: armada-37xx: Enable uSD on ESPRESSObin

The ESPRESSObin board exposes one of the SDHCI interfaces
via J1 uSD slot. This patch enables it.

Tested-by: Miquel Raynal <miquel.raynal@free-electrons.com>
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: Zbigniew Bodek <zbodek@gmail.com>
[gregory.clement@free-electrons.com:  removed "no-1-8-v"]
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>