scripts: get_abi.pl: Fix get_abi.pl search output

Currently, the get_abi.pl will print an invalid symbol
(\xac character). Fix it.

Fixes: ab9c14805b ("scripts: get_abi.pl: Better handle multiple What parameters")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/fb27ac372e38f5ae9d088f9f4e9710c659e0b9e8.1632411447.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

scripts/get_abi.pl

@@ -501,6 +501,7 @@ sub search_symbols {
 
 		my $file = $data{$what}->{filepath};
 
+		$what =~ s/\xac/, /g;
 		my $bar = $what;
 		$bar =~ s/./-/g;