patman: Convert camel case in tools.py

Convert this file to snake case and update all files which use it.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/binman/elf_test.py b/tools/binman/elf_test.py
index f727258..b531062 100644
--- a/tools/binman/elf_test.py
+++ b/tools/binman/elf_test.py
@@ -27,7 +27,7 @@
     """
     def __init__(self, contents_size):
         self.contents_size = contents_size
-        self.data = tools.GetBytes(ord('a'), contents_size)
+        self.data = tools.get_bytes(ord('a'), contents_size)
 
     def GetPath(self):
         return 'entry_path'
@@ -72,7 +72,7 @@
     if 'MAKEFLAGS' in os.environ:
         del os.environ['MAKEFLAGS']
     try:
-        tools.Run('make', '-C', target_dir, '-f',
+        tools.run('make', '-C', target_dir, '-f',
                   os.path.join(testdir, 'Makefile'), 'SRC=%s/' % testdir)
     except ValueError as e:
         # The test system seems to suppress this in a strange way
@@ -83,7 +83,7 @@
     @classmethod
     def setUpClass(cls):
         cls._indir = tempfile.mkdtemp(prefix='elf.')
-        tools.SetInputDirs(['.'])
+        tools.set_input_dirs(['.'])
         BuildElfTestFiles(cls._indir)
 
     @classmethod
@@ -166,7 +166,7 @@
         section = FakeSection(sym_value=None)
         elf_fname = self.ElfTestFile('u_boot_binman_syms')
         syms = elf.LookupAndWriteSymbols(elf_fname, entry, section)
-        self.assertEqual(tools.GetBytes(255, 20) + tools.GetBytes(ord('a'), 4),
+        self.assertEqual(tools.get_bytes(255, 20) + tools.get_bytes(ord('a'), 4),
                                                                   entry.data)
 
     def testDebug(self):
@@ -193,7 +193,7 @@
         # Make an Elf file and then convert it to a fkat binary file. This
         # should produce the original data.
         elf.MakeElf(elf_fname, expected_text, expected_data)
-        objcopy, args = tools.GetTargetCompileTool('objcopy')
+        objcopy, args = tools.get_target_compile_tool('objcopy')
         args += ['-O', 'binary', elf_fname, bin_fname]
         stdout = command.Output(objcopy, *args)
         with open(bin_fname, 'rb') as fd:
@@ -210,7 +210,7 @@
         expected_data = b'wxyz'
         elf_fname = os.path.join(outdir, 'elf')
         elf.MakeElf(elf_fname, expected_text, expected_data)
-        data = tools.ReadFile(elf_fname)
+        data = tools.read_file(elf_fname)
 
         load = 0xfef20000
         entry = load + 2
@@ -231,7 +231,7 @@
         offset = elf.GetSymbolFileOffset(fname, ['embed_start', 'embed_end'])
         start = offset['embed_start'].offset
         end = offset['embed_end'].offset
-        data = tools.ReadFile(fname)
+        data = tools.read_file(fname)
         embed_data = data[start:end]
         expect = struct.pack('<III', 0x1234, 0x5678, 0)
         self.assertEqual(expect, embed_data)