geninfo: support remove CR endings of old intermediate text

On mingw gcc toolkits, gcov outputs with CRLF, if CRs are not removed,
filenames with CR control charaters cannot be used to read file
correctly.

Fix this by explicitly removing CR+LF.

[oberpar: Minor commit message changes]

Signed-off-by: FANG.Ge <fang.g@bigforce.cn>

Author: FANG.Ge

bin/geninfo

@@ -2128,7 +2128,7 @@ sub read_intermediate_text($$)
 	while (my $line = <$fd>) {
 		if ($line =~ /^file:(.*)$/) {
 			$filename = $1;
-			chomp($filename);
+			$filename =~ s/[\r\n]$//g;
 		} elsif (defined($filename)) {
 			$data->{$filename} .= $line;
 		}