ARM: at91: trivial: sama5d4ek/dts: correct the file name in the comment

Signed-off-by: Josh Wu <josh.wu@atmel.com>
ARM: at91: trivial: sama5d4.dtsi: correct the typo in comment

Comments should be MCI1.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
ARM: at91: sama5d4: correct the pin for MCI0

Signed-off-by: Josh Wu <josh.wu@atmel.com>