mcux: moved rt cfg tools to scripts directory

Moved RT configuration utilities to the scripts directory

Signed-off-by: Daniel DeGrasse <[email protected]>

Author: danieldegrasse

tools/rt_cfg_utils.py renamed to mcux/scripts/rt_cfg_utils.py

@@ -665,7 +665,7 @@ def write_pinctrl_groups(self, mexfile, outputfile):
                 # Name of group
                 dts_entry = f"\t\tgroup{idx} {{\n"
                 # Pinmuxes for group
-                dts_entry += f"\t\t\tpins = {pinmux_str};\n"
+                dts_entry += f"\t\t\tpinmux = {pinmux_str};\n"
                 # Properties of group
                 for prop in sorted_keys[idx]:
                     dts_entry += f"\t\t\t{prop};\n"