package/kmod: support zstd compression if available

Signed-off-by: Norbert Lange <nolange79@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/kmod/kmod.mk

@@ -41,6 +41,13 @@ else
 KMOD_CONF_OPTS += --without-zlib
 endif
 
+ifeq ($(BR2_PACKAGE_ZSTD),y)
+KMOD_DEPENDENCIES += zstd
+KMOD_CONF_OPTS += --with-zstd
+else
+KMOD_CONF_OPTS += --without-zstd
+endif
+
 ifeq ($(BR2_PACKAGE_XZ),y)
 KMOD_DEPENDENCIES += xz
 KMOD_CONF_OPTS += --with-xz