package/btrfs-progs: add zstd support

zstd is supported since version 4.13.1 and
https://github.com/kdave/btrfs-progs/commit/717a8b1e5d1ba69154ef84b35be75c9cf7730e1d

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/btrfs-progs/btrfs-progs.mk

@@ -8,7 +8,7 @@ BTRFS_PROGS_VERSION = 5.15.1
 BTRFS_PROGS_SITE = $(BR2_KERNEL_MIRROR)/linux/kernel/people/kdave/btrfs-progs
 BTRFS_PROGS_SOURCE = btrfs-progs-v$(BTRFS_PROGS_VERSION).tar.xz
 BTRFS_PROGS_DEPENDENCIES = host-pkgconf lzo util-linux zlib
-BTRFS_PROGS_CONF_OPTS = --disable-backtrace --disable-zstd --disable-python
+BTRFS_PROGS_CONF_OPTS = --disable-backtrace --disable-python
 BTRFS_PROGS_LICENSE = GPL-2.0, LGPL-2.1+ (libbtrfsutil)
 BTRFS_PROGS_LICENSE_FILES = COPYING libbtrfsutil/COPYING
 BTRFS_PROGS_INSTALL_STAGING = YES
@@ -30,6 +30,13 @@ else
 BTRFS_PROGS_CONF_OPTS += --disable-convert
 endif
 
+ifeq ($(BR2_PACKAGE_ZSTD),y)
+BTRFS_PROGS_CONF_OPTS += --enable-zstd
+BTRFS_PROGS_DEPENDENCIES += zstd
+else
+BTRFS_PROGS_CONF_OPTS += --disable-zstd
+endif
+
 ifeq ($(BR2_PACKAGE_HAS_UDEV),y)
 BTRFS_PROGS_CONF_OPTS += --enable-libudev
 BTRFS_PROGS_DEPENDENCIES += udev