Update usage() and manpage to match reality (add -O into usage and adjust

both to make clear that -W and -O are stand-alone options).

MFC after:	6 days

usr.sbin/pkg_install/info/main.c

@@ -227,9 +227,11 @@ main(int argc, char **argv)
 static void
 usage()
 {
-    fprintf(stderr, "%s\n%s\n%s\n",
+    fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n",
 	"usage: pkg_info [-cdDfGiIkLmopqrRsvVx] [-e package] [-l prefix]",
-	"                [-t template] [-W filename] [pkg-name ...]",
+	"                [-t template] [pkg-name ...]",
+	"       pkg_info [-q] -W filename",
+	"       pkg_info [-q] -O origin",
 	"       pkg_info -a [flags]");
     exit(1);
 }

usr.sbin/pkg_install/info/pkg_info.1

@@ -29,10 +29,14 @@
 .Op Fl e Ar package
 .Op Fl l Ar prefix
 .Op Fl t Ar template
-.Op Fl W Ar filename
-.Op Fl O Ar origin
 .Op Ar pkg-name ...
 .Nm
+.Op Fl q
+.Fl W Ar filename
+.Nm
+.Op Fl q
+.Fl O Ar origin
+.Nm
 .Fl a
 .Op Ar flags
 .Sh DESCRIPTION