patman: Convert camel case in command.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/buildman/builder.py b/tools/buildman/builder.py
index 720bbb2..94f843e 100644
--- a/tools/buildman/builder.py
+++ b/tools/buildman/builder.py
@@ -453,7 +453,7 @@
             stage: Stage that we are at (mrproper, config, build)
             cwd: Directory where make should be run
             args: Arguments to pass to make
-            kwargs: Arguments to pass to command.RunPipe()
+            kwargs: Arguments to pass to command.run_pipe()
         """
 
         def check_output(stream, data):
@@ -476,7 +476,7 @@
         self._restarting_config = False
         self._terminated  = False
         cmd = [self.gnu_make] + list(args)
-        result = command.RunPipe([cmd], capture=True, capture_stderr=True,
+        result = command.run_pipe([cmd], capture=True, capture_stderr=True,
                 cwd=cwd, raise_on_error=False, infile='/dev/null',
                 output_func=check_output, **kwargs)
 
diff --git a/tools/buildman/builderthread.py b/tools/buildman/builderthread.py
index ecb285c..90099ee 100644
--- a/tools/buildman/builderthread.py
+++ b/tools/buildman/builderthread.py
@@ -122,7 +122,7 @@
                         config - called to configure for a board
                         build - the main make invocation - it does the build
             args: A list of arguments to pass to 'make'
-            kwargs: A list of keyword arguments to pass to command.RunPipe()
+            kwargs: A list of keyword arguments to pass to command.run_pipe()
 
         Returns:
             CommandResult object
@@ -375,7 +375,7 @@
             lines = []
             for fname in BASE_ELF_FILENAMES:
                 cmd = ['%snm' % self.toolchain.cross, '--size-sort', fname]
-                nm_result = command.RunPipe([cmd], capture=True,
+                nm_result = command.run_pipe([cmd], capture=True,
                         capture_stderr=True, cwd=result.out_dir,
                         raise_on_error=False, env=env)
                 if nm_result.stdout:
@@ -385,7 +385,7 @@
                         print(nm_result.stdout, end=' ', file=fd)
 
                 cmd = ['%sobjdump' % self.toolchain.cross, '-h', fname]
-                dump_result = command.RunPipe([cmd], capture=True,
+                dump_result = command.run_pipe([cmd], capture=True,
                         capture_stderr=True, cwd=result.out_dir,
                         raise_on_error=False, env=env)
                 rodata_size = ''
@@ -400,7 +400,7 @@
                             rodata_size = fields[2]
 
                 cmd = ['%ssize' % self.toolchain.cross, fname]
-                size_result = command.RunPipe([cmd], capture=True,
+                size_result = command.run_pipe([cmd], capture=True,
                         capture_stderr=True, cwd=result.out_dir,
                         raise_on_error=False, env=env)
                 if size_result.stdout:
@@ -411,7 +411,7 @@
             cmd = ['%sobjcopy' % self.toolchain.cross, '-O', 'binary',
                    '-j', '.rodata.default_environment',
                    'env/built-in.o', 'uboot.env']
-            command.RunPipe([cmd], capture=True,
+            command.run_pipe([cmd], capture=True,
                             capture_stderr=True, cwd=result.out_dir,
                             raise_on_error=False, env=env)
             ubootenv = os.path.join(result.out_dir, 'uboot.env')
diff --git a/tools/buildman/control.py b/tools/buildman/control.py
index e8a531e..ebab126 100644
--- a/tools/buildman/control.py
+++ b/tools/buildman/control.py
@@ -307,7 +307,7 @@
     if not options.step:
         options.step = len(series.commits) - 1
 
-    gnu_make = command.Output(os.path.join(options.git,
+    gnu_make = command.output(os.path.join(options.git,
             'scripts/show-gnu-make'), raise_on_error=False).rstrip()
     if not gnu_make:
         sys.exit('GNU Make not found')
diff --git a/tools/buildman/func_test.py b/tools/buildman/func_test.py
index b920818..4beca8a 100644
--- a/tools/buildman/func_test.py
+++ b/tools/buildman/func_test.py
@@ -217,7 +217,7 @@
         self._toolchains.Add('gcc', test=False)
 
     def _RunBuildman(self, *args):
-        return command.RunPipe([[self._buildman_pathname] + list(args)],
+        return command.run_pipe([[self._buildman_pathname] + list(args)],
                 capture=True, capture_stderr=True)
 
     def _RunControl(self, *args, boards=None, clean_dir=False,
@@ -407,7 +407,7 @@
             stage: Stage that we are at (mrproper, config, build)
             cwd: Directory where make should be run
             args: Arguments to pass to make
-            kwargs: Arguments to pass to command.RunPipe()
+            kwargs: Arguments to pass to command.run_pipe()
         """
         self._make_calls += 1
         if stage == 'mrproper':
diff --git a/tools/buildman/toolchain.py b/tools/buildman/toolchain.py
index d88c155..3442d99 100644
--- a/tools/buildman/toolchain.py
+++ b/tools/buildman/toolchain.py
@@ -99,7 +99,7 @@
         else:
             self.priority = priority
         if test:
-            result = command.RunPipe([cmd], capture=True, env=env,
+            result = command.run_pipe([cmd], capture=True, env=env,
                                      raise_on_error=False)
             self.ok = result.return_code == 0
             if verbose:
@@ -494,7 +494,7 @@
             else
                 URL containing this toolchain, if avaialble, else None
         """
-        arch = command.OutputOneLine('uname', '-m')
+        arch = command.output_one_line('uname', '-m')
         if arch == 'aarch64':
             arch = 'arm64'
         base = 'https://www.kernel.org/pub/tools/crosstool/files/bin'
@@ -525,7 +525,7 @@
             Directory name of the first entry in the archive, without the
             trailing /
         """
-        stdout = command.Output('tar', 'xvfJ', fname, '-C', dest)
+        stdout = command.output('tar', 'xvfJ', fname, '-C', dest)
         dirs = stdout.splitlines()[1].split('/')[:2]
         return '/'.join(dirs)