x86_64: Support x86_64 in make buildtar

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

scripts/package/buildtar

@@ -69,8 +69,8 @@ cp -v -- "${objtree}/vmlinux" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}"
 # Install arch-specific kernel image(s)
 #
 case "${ARCH}" in
-	i386)
-		[ -f "${objtree}/arch/i386/boot/bzImage" ] && cp -v -- "${objtree}/arch/i386/boot/bzImage" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
+	i386|x86_64)
+		[ -f "${objtree}/arch/$ARCH/boot/bzImage" ] && cp -v -- "${objtree}/arch/$ARCH/boot/bzImage" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"
 		;;
 	alpha)
 		[ -f "${objtree}/arch/alpha/boot/vmlinux.gz" ] && cp -v -- "${objtree}/arch/alpha/boot/vmlinux.gz" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}"