quick_dump: Fix the indentation

Fix the spaces to use [the python standard] 4 soft spaces for tabe.
While here, add the proper vim tag so we don't do it again.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>

tools/quick_dump/quick_dump.py

@@ -6,6 +6,8 @@
 # register types:
 #  '' - normal register
 #  'DPIO' - DPIO register
+#
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
 
 import argparse
 import os

tools/quick_dump/reg_access.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
 import chipset
 
 def read(reg):