move uart rx/tx into kernel port description

diff --git a/gpio.pl b/gpio.pl
index e2f383e..c432c43 100755 (executable)
--- a/gpio.pl
+++ b/gpio.pl
@@ -97,6 +97,7 @@ foreach my $line (@lines) {
                push @line_parts, [ $line ] unless $opt_svg;
                next;
        }
+       $line =~ s/(\[uart\d)(\]\s[^\t]*(rx|tx))/$1 $3$2/gi;
        $line =~ s/\s*\([^\)]+\)//g if ! $opt_alt;
 
        my @v = split(/\s*\t+\s*/,$line,4);