configs: sama5d2_xplained: add onewire and eeprom drivers

SAMA5D2 SoC can have extra clip boards (PDAs) connected, which have
an EEPROM memory for identification. A special GPIO can be used to read
this memory over 1wire protocol.
Enabling one wire and eeprom drivers for this memory.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
diff --git a/configs/sama5d2_xplained_mmc_defconfig b/configs/sama5d2_xplained_mmc_defconfig
index 77dc82c..46b143b 100644
--- a/configs/sama5d2_xplained_mmc_defconfig
+++ b/configs/sama5d2_xplained_mmc_defconfig
@@ -88,3 +88,7 @@
 CONFIG_USB_GADGET_ATMEL_USBA=y
 CONFIG_DM_VIDEO=y
 CONFIG_ATMEL_HLCD=y
+CONFIG_W1=y
+CONFIG_W1_GPIO=y
+CONFIG_W1_EEPROM=y
+CONFIG_W1_EEPROM_DS24XXX=y