Tools: added script to make using a crash_dump.bin easier

Tools/debug/gdb_crashdump.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# script to more easily get a backtrace from an ArduPilot crash_dump.bin
+
+[ $# -eq 2 ] || {
+    echo "Usage: gdb_crashdump.sh ELF_FILE CRASH_DUMP"
+    exit 1
+}
+
+ELF_FILE=$1
+CRASH_DUMP=$2
+
+arm-none-eabi-gdb -nx "$ELF_FILE" -ex "set target-charset ASCII" -ex "target remote | modules/CrashDebug/bins/lin64/CrashDebug --elf $ELF_FILE --dump $CRASH_DUMP"