arm64: zynqmp: Disable autoboot feature for mini

There is no reason to have autoboot enabled because it should never
start anything automatically.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/configs/xilinx_zynqmp_mini_emmc1_defconfig b/configs/xilinx_zynqmp_mini_emmc1_defconfig
index 3298341..30d4fd3 100644
--- a/configs/xilinx_zynqmp_mini_emmc1_defconfig
+++ b/configs/xilinx_zynqmp_mini_emmc1_defconfig
@@ -7,7 +7,6 @@
 CONFIG_ENV_VARS_UBOOT_CONFIG=y
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_FIT=y
-CONFIG_BOOTDELAY=-1
 CONFIG_SUPPORT_RAW_INITRD=y
 # CONFIG_BOARD_LATE_INIT is not set
 # CONFIG_DISPLAY_CPUINFO is not set
@@ -15,6 +14,7 @@
 # CONFIG_CMDLINE_EDITING is not set
 # CONFIG_AUTO_COMPLETE is not set
 CONFIG_SYS_PROMPT="ZynqMP> "
+# CONFIG_AUTOBOOT is not set
 # CONFIG_CMD_BDI is not set
 # CONFIG_CMD_CONSOLE is not set
 # CONFIG_CMD_BOOTD is not set