configs: j721e_evm_r5_defconfig: Enable ESM modules

Enable ESM modules for both PMIC and SoC side for proper watchdog
handling on the board.

SPL_BOARD_INIT is also enabled so that the board init function
probing the drivers is called.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
diff --git a/configs/j721e_evm_r5_defconfig b/configs/j721e_evm_r5_defconfig
index d1a6581..bdbcf4c 100644
--- a/configs/j721e_evm_r5_defconfig
+++ b/configs/j721e_evm_r5_defconfig
@@ -128,3 +128,6 @@
 CONFIG_USB_GADGET_DOWNLOAD=y
 CONFIG_FS_EXT4=y
 CONFIG_FS_FAT_MAX_CLUSTSIZE=16384
+CONFIG_ESM_K3=y
+CONFIG_ESM_PMIC=y
+CONFIG_SPL_BOARD_INIT=y