Automatically reboot 5 seconds after a panic.

Change-Id: Iab58c39a8f35742c610aa0e98a693a2f9c04dc2e
diff --git a/arch/arm/configs/bruno_gfhd254_defconfig b/arch/arm/configs/bruno_gfhd254_defconfig
index 52f69e1..6ad1540 100644
--- a/arch/arm/configs/bruno_gfhd254_defconfig
+++ b/arch/arm/configs/bruno_gfhd254_defconfig
@@ -267,6 +267,7 @@
 CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=30
 CONFIG_BOOTPARAM_HUNG_TASK_PANIC=y
 CONFIG_PANIC_ON_OOPS=y
+CONFIG_PANIC_TIMEOUT=5
 CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_LL=y
 CONFIG_EARLY_PRINTK=y