arm64: versal: Update boot delay to perform autoboot

Update boot delay to 5 for performing autoboot.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

configs/xilinx_versal_virt_defconfig

@@ -7,7 +7,7 @@ CONFIG_ENV_VARS_UBOOT_CONFIG=y
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
 # CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
-CONFIG_BOOTDELAY=-1
+CONFIG_BOOTDELAY=5
 CONFIG_SUPPORT_RAW_INITRD=y
 # CONFIG_BOARD_LATE_INIT is not set
 # CONFIG_DISPLAY_CPUINFO is not set