libatomic_ops: enable sparc64 / sparcv9

Works fine for sparc64.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libatomic_ops/Config.in

@@ -1,6 +1,6 @@
 config BR2_PACKAGE_LIBATOMIC_ARCH_SUPPORTS
 	bool
-	default y if BR2_arm || BR2_armeb || BR2_aarch64 || BR2_i386 || BR2_sparc || BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le || BR2_x86_64
+	default y if BR2_arm || BR2_armeb || BR2_aarch64 || BR2_i386 || BR2_sparc || BR2_sparc64 || BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le || BR2_x86_64
 
 config BR2_PACKAGE_LIBATOMIC_OPS
 	bool "libatomic_ops"