configs: phycore_am64x_a53_defconfig: Enable PHYTEC_SOM_DETECTION

Enable CONFIG_PHYTEC_SOM_DETECTION to apply SoM overlays
based on EEPROM configuration.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
diff --git a/configs/phycore_am64x_a53_defconfig b/configs/phycore_am64x_a53_defconfig
index 3db18d8..ac9731d 100644
--- a/configs/phycore_am64x_a53_defconfig
+++ b/configs/phycore_am64x_a53_defconfig
@@ -10,6 +10,7 @@
 CONFIG_SOC_K3_AM642=y
 CONFIG_K3_ATF_LOAD_ADDR=0x701c0000
 CONFIG_TARGET_PHYCORE_AM64X_A53=y
+CONFIG_PHYTEC_SOM_DETECTION=y
 CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
 CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x80480000
 CONFIG_ENV_SIZE=0x20000