update to last uboot dtbs

tools/list-pins.py

@@ -0,0 +1,21 @@
+from subprocess import run,PIPE
+import shlex
+
+'''
+    Runs 'gpioinfo' and parses it's output to a more human form, with pin designator included
+'''
+
+rawlist = run(['sudo', 'gpioinfo'],stdout=PIPE,universal_newlines=True)
+pinlist = rawlist.stdout.splitlines()[1:]
+
+for line in pinlist:
+    out = shlex.split(line)
+    number = int(out[1][:-1])
+    pin = 'P{}{}'.format('ABCDEFGH'[int(number / 32)], number % 32)
+    print('pin: {:3d}, {:>4}'.format(number, pin), end='')
+    print(', {:>6}'.format(out[4]), end='')
+    if out[2] != 'unnamed':
+        print(', name: ' + out[2], end='')
+    if out[3] != 'unused':
+        print(', used by: ' + out[3], end='')
+    print()