Add assembly support to ios64-cross.

Fix typos in ios64-cross config line.

Reviewed-by: Tim Hudson <tjh@openssl.org>

crypto/modes/asm/ghashv8-armx.pl

@@ -26,7 +26,15 @@
 # (*)	presented for reference/comparison purposes;
 
 $flavour = shift;
-open STDOUT,">".shift;
+$output  = shift;
+
+$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
+( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or
+( $xlate="${dir}../../perlasm/arm-xlate.pl" and -f $xlate) or
+die "can't locate arm-xlate.pl";
+
+open OUT,"| \"$^X\" $xlate $flavour $output";
+*STDOUT=*OUT;
 
 $Xi="x0";	# argument block
 $Htbl="x1";