package/python-greenlet: enable build for x86_64

Commit 30f1decec2c (package/python-greenlet: enable only on supported
architectures) forgot to allow x86_64.

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
[yann.morin.1998@free.fr: split off the x86_64 support to its own patch]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/python-greenlet/Config.in

@@ -8,7 +8,7 @@ config BR2_PACKAGE_PYTHON_GREENLET_ARCH_SUPPORTS
 	default y if BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le
 	default y if BR2_riscv
 	default y if BR2_sparc || BR2_sparc64
-	default y if BR2_i386
+	default y if BR2_i386 || BR2_x86_64
 
 config BR2_PACKAGE_PYTHON_GREENLET
 	bool "python-greenlet"