configs: phycore_am62x_a53_defconfig: Add SoM overlays to OF_OVERLAY_LIST

Include SoM dt-overlays for DT control so we can include them
into our u-boot FIT image.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
diff --git a/configs/phycore_am62x_a53_defconfig b/configs/phycore_am62x_a53_defconfig
index dfff586..d4b5191 100644
--- a/configs/phycore_am62x_a53_defconfig
+++ b/configs/phycore_am62x_a53_defconfig
@@ -72,6 +72,7 @@
 CONFIG_OF_CONTROL=y
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_MULTI_DTB_FIT=y
+CONFIG_OF_OVERLAY_LIST="ti/k3-am6xx-phycore-disable-spi-nor ti/k3-am6xx-phycore-disable-rtc ti/k3-am6xx-phycore-disable-eth-phy ti/k3-am6xx-phycore-qspi-nor"
 CONFIG_SPL_MULTI_DTB_FIT=y
 CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y
 CONFIG_ENV_OVERWRITE=y