configs: am64x_evm_r5_defconfig: Add support for ESM

Enable ESM driver for AM64x R5 SPL/u-boot builds.
Signed-off-by: NHari Nagalla <hnagalla@ti.com>
Reviewed-by: NChristian Gmeiner <christian.gmeiner@gmail.com>

configs/am64x_evm_r5_defconfig

@@ -103,6 +103,7 @@ CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_OMAP24XX=y
 CONFIG_DM_MAILBOX=y
 CONFIG_K3_SEC_PROXY=y
+CONFIG_ESM_K3=y
 CONFIG_SPL_MISC=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_ADMA=y