ARM: dts: at91: sama5d2_icp: fix i2c eeprom compatible

The correct compatible for this eeproms is microchip,24aa02e48
The previous compatible string was working up to U-boot 2020.04.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Tested-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>