NuttX cleanup debug helpers and add profile target

platforms/nuttx/Debug/dot.gdbinit

@@ -1,13 +0,0 @@
-# copy the file to .gdbinit in your Firmware tree, and adjust the path
-# below to match your system
-# For example:
-# target extended /dev/serial/by-id/usb-Black_Sphere_Technologies_Black_Magic_Probe_DDE5A1C4-if00
-# target extended /dev/ttyACM4
-
-
-monitor swdp_scan
-attach 1
-monitor vector_catch disable hard
-set mem inaccessible-by-default off
-set print pretty
-source platforms/nuttx/Debug/PX4

platforms/nuttx/Debug/poor-mans-profiler.sh

@@ -102,12 +102,19 @@ then
     do
         if [[ "$taskname" = "" ]]
         then
-            arm-none-eabi-gdb $elf --batch -ex "set print asm-demangle on" -ex bt \
+            arm-none-eabi-gdb $elf --batch -ex "set print asm-demangle on" \
+                                           -ex "target extended /dev/ttyACM0" \
+                                           -ex "monitor swdp_scan" \
+                                           -ex "attach 1" \
+                                           -ex bt \
                 2> $gdberrfile \
                 | sed -n 's/\(#.*\)/\1/p' \
                 >> $stacksfile
         else
             arm-none-eabi-gdb $elf --batch -ex "set print asm-demangle on" \
+                                           -ex "target extended /dev/ttyACM0" \
+                                           -ex "monitor swdp_scan" \
+                                           -ex "attach 1" \
                                            -ex "source $root/platforms/nuttx/Debug/Nuttx.py" \
                                            -ex "show mybt $taskname" \
                 2> $gdberrfile \