package/jemalloc: add or1k support

or1k support has been added since version 4.0.0 and
https://github.com/jemalloc/jemalloc/commit/ffa259841c6a4b6dae4ed74f02bb38703e190065

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/jemalloc/Config.in

@@ -4,6 +4,7 @@ config BR2_PACKAGE_JEMALLOC_ARCH_SUPPORTS
 	default y if BR2_aarch64 || BR2_aarch64_be
 	default y if BR2_i386 || BR2_x86_64
 	default y if BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el
+	default y if BR2_or1k
 	default y if BR2_sparc64
 	default y if BR2_powerpc
 	default y if BR2_sh4 || BR2sh4eb || BR2_sh4a || BR2_sh4aeb