bitbake: bin/bitbake: Clarify wording in help output for -s

The '-s' option shows (input) recipes, not (built/output) packages. Clarify
the help wording for this option so it is consistent with how bitbake defines
recipes and packages.

(Bitbake rev: 0cac6d647c58ae449323959220775fc1afd5bfb0)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/bin/bitbake

@@ -142,7 +142,7 @@ Default BBFILES are the .bb files in the current directory.""")
     parser.add_option("-p", "--parse-only", help = "quit after parsing the BB files (developers only)",
                action = "store_true", dest = "parse_only", default = False)
 
-    parser.add_option("-s", "--show-versions", help = "show current and preferred versions of all packages",
+    parser.add_option("-s", "--show-versions", help = "show current and preferred versions of all recipes",
                action = "store_true", dest = "show_versions", default = False)
 
     parser.add_option("-e", "--environment", help = "show the global or per-package environment (this is what used to be bbread)",