[PATCH] x86-64: adjust EDID retrieval

commit 5e518d76 did the same change to
i386's variant.

With this change, i386's and x86-64's versions are identical, raising
the question whether the x86-64 one should go (just like there's only
one instance of edd.S).
Signed-off-by: NJan Beulich <jbeulich@novell.com>
Signed-off-by: NAndi Kleen <ak@suse.de>

arch/x86_64/boot/video.S

@@ -1977,7 +1977,7 @@ store_edid:
 	movw	$0x4f15, %ax                    # do VBE/DDC
 	movw	$0x01, %bx
 	movw	$0x00, %cx
-	movw    $0x01, %dx
+	movw    $0x00, %dx
 	movw	$0x140, %di
 	int	$0x10