configs: sam9x60ek: enable onewire support

Enable support for onewire memories and onewire commands.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
diff --git a/configs/sam9x60ek_nandflash_defconfig b/configs/sam9x60ek_nandflash_defconfig
index 948d7c7..cdba103 100644
--- a/configs/sam9x60ek_nandflash_defconfig
+++ b/configs/sam9x60ek_nandflash_defconfig
@@ -50,4 +50,8 @@
 CONFIG_ATMEL_USART=y
 CONFIG_TIMER=y
 CONFIG_ATMEL_PIT_TIMER=y
+CONFIG_W1=y
+CONFIG_W1_GPIO=y
+CONFIG_W1_EEPROM=y
+CONFIG_W1_EEPROM_DS24XXX=y
 CONFIG_OF_LIBFDT_OVERLAY=y