configs: phycore_am64x_r5_defconfig: Enable PHYTEC_SOM_DETECTION

Enable configs required for detecting and fixing up for different RAM variants.
Also resync after savedefconfig.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Tested-by: Daniel Schultz <d.schultz@phytec.de>
diff --git a/configs/phycore_am64x_r5_defconfig b/configs/phycore_am64x_r5_defconfig
index 6b0fd8d..d060a0f 100644
--- a/configs/phycore_am64x_r5_defconfig
+++ b/configs/phycore_am64x_r5_defconfig
@@ -7,6 +7,7 @@
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SOC_K3_AM642=y
 CONFIG_TARGET_PHYCORE_AM64X_R5=y
+CONFIG_PHYTEC_SOM_DETECTION=y
 CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
 CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x7019b800
 CONFIG_SF_DEFAULT_SPEED=25000000
@@ -15,6 +16,7 @@
 CONFIG_DM_GPIO=y
 CONFIG_SPL_DM_SPI=y
 CONFIG_DEFAULT_DEVICE_TREE="k3-am642-r5-phycore-som-2gb"
+CONFIG_OF_LIBFDT_OVERLAY=y
 CONFIG_DM_RESET=y
 CONFIG_SPL_MMC=y
 CONFIG_SPL_SERIAL=y