Docs: Spack info option updates (#33376)

lib/spack/docs/basic_usage.rst

@@ -85,7 +85,7 @@ All packages whose names or descriptions contain documentation:
 To get more information on a particular package from `spack list`, use
 `spack info`.  Just supply the name of a package:
 
-.. command-output:: spack info mpich
+.. command-output:: spack info --all mpich
 
 Most of the information is self-explanatory.  The *safe versions* are
 versions that Spack knows the checksum for, and it will use the

lib/spack/docs/build_systems/inteloneapipackage.rst

@@ -32,7 +32,7 @@ oneAPI packages or use::
 
 For more information on a specific package, do::
 
-  spack info <package-name>
+  spack info --all <package-name>
 
 Intel no longer releases new versions of Parallel Studio, which can be
 used in Spack via the :ref:`intelpackage`. All of its components can

lib/spack/docs/packaging_guide.rst

@@ -3369,27 +3369,44 @@ The name and order in which the phases will be executed can be obtained either r
 docs at :py:mod:`~.spack.build_systems`, or using the ``spack info`` command:
 
 .. code-block:: console
-    :emphasize-lines: 13,14
+    :emphasize-lines: 26-27
 
-    $ spack info m4
+    $ spack info --phases m4
     AutotoolsPackage:   m4
+
+    Description:
+        GNU M4 is an implementation of the traditional Unix macro processor.
+
     Homepage: https://www.gnu.org/software/m4/m4.html
 
+    Preferred version:
+        1.4.19    https://ftpmirror.gnu.org/m4/m4-1.4.19.tar.gz
+
     Safe versions:
-        1.4.17    ftp://ftp.gnu.org/gnu/m4/m4-1.4.17.tar.gz
+        1.4.19    https://ftpmirror.gnu.org/m4/m4-1.4.19.tar.gz
+        1.4.18    https://ftpmirror.gnu.org/m4/m4-1.4.18.tar.gz
+        1.4.17    https://ftpmirror.gnu.org/m4/m4-1.4.17.tar.gz
+
+    Deprecated versions:
+        None
 
     Variants:
-        Name       Default   Description
+        Name [Default]    When    Allowed values    Description
+        ==============    ====    ==============    ===============================
 
-        sigsegv    on        Build the libsigsegv dependency
+        sigsegv [on]      --      on, off           Build the libsigsegv dependency
 
     Installation Phases:
         autoreconf    configure    build    install
 
     Build Dependencies:
+        diffutils  gnuconfig  libsigsegv
+
+    Link Dependencies:
         libsigsegv
 
-    ...
+    Run Dependencies:
+        None
 
 
 Typically, phases have default implementations that fit most of the common cases: