configs: am62x_evm*: Enable EMMC_BOOT configuration

Enable EMMC boot support for AM62x evm base configuration.

Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Tested-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
diff --git a/configs/am62x_evm_r5_defconfig b/configs/am62x_evm_r5_defconfig
index 3c5f367..489ee94 100644
--- a/configs/am62x_evm_r5_defconfig
+++ b/configs/am62x_evm_r5_defconfig
@@ -92,6 +92,7 @@
 CONFIG_K3_SEC_PROXY=y
 CONFIG_SPL_MISC=y
 CONFIG_ESM_K3=y
+CONFIG_SUPPORT_EMMC_BOOT=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_ADMA=y
 CONFIG_SPL_MMC_SDHCI_ADMA=y