[XcodeBuild] document new method params (#4171)

* [XcodeBuild] document new method params

* update docs

* minor changes

---------

Co-authored-by: Carlos Zoido <mrgalleta@gmail.com>

Author: kambala-decapitator

reference/tools/apple/xcodebuild.rst

@@ -33,16 +33,16 @@ Reference
 
 .. automethod:: XcodeBuild.build
 
-The ``Xcode.build()`` method internally implements a call to ``xcodebuild`` like:
+The ``XcodeBuild.build()`` method internally implements a call to ``xcodebuild`` like:
 
 .. code:: bash
 
-    $ xcodebuild -project app.xcodeproj -configuration <configuration> -arch <architecture> <sdk> <verbosity> -target <target>/-alltargets *_DEPLOYMENT_TARGET=settings.os.version
+    $ xcodebuild -project app.xcodeproj -configuration <configuration> -arch <architecture> <sdk> <verbosity> -target <target>/-alltargets *_DEPLOYMENT_TARGET=settings.os.version <cli_args>
 
 Where:
 
 - ``configuration`` is the configuration, typically *Release* or *Debug*, which will be obtained
-  from ``settings.build_type``.
+  from ``settings.build_type`` unless you pass it explicitly via the ``configuration`` parameter.
 - ``architecture`` is the build architecture, a mapping from the ``settings.arch`` to the
   common architectures defined by Apple 'i386', 'x86_64', 'armv7', 'arm64', etc.
 - ``sdk`` is set based on the values of the ``os.sdk`` and ``os.sdk_version`` defining the
@@ -54,10 +54,21 @@ Where:
   ``os.sdk_version`` settings values.
 - ``verbosity`` is the verbosity level for the build and can take value 'verbose' or
   'quiet' if set by ``tools.build:verbosity`` in your **[conf]**
-
-Additional parameters that are passed to ``xcodebuild``:
-
-- deployment target setting according to the values of ``os`` and ``os.version`` from profile,
+- ``cli_args`` are the additional command line arguments passed via the
+  ``cli_args`` parameter. These can include custom build settings like
+  ``BUILD_LIBRARY_FOR_DISTRIBUTION=YES``. You can also redirect build artifacts
+  to the Conan build folder by passing ``SYMROOT`` and ``OBJROOT`` settings:
+  
+  .. code:: python
+  
+      def build(self):
+        xcodebuild = XcodeBuild(self)
+        xcodebuild.build("app.xcodeproj", cli_args=[f"SYMROOT={self.build_folder}",
+                                                    f"OBJROOT={self.build_folder}"])
+
+Additional parameters that are passed to ``xcodebuild`` (but before ``cli_args``):
+
+- Deployment target setting according to the values of ``os`` and ``os.version`` from profile,
   e.g. ``MACOSX_DEPLOYMENT_TARGET=10.15`` or ``IPHONEOS_DEPLOYMENT_TARGET=15.0``
 
 conf