[openwrt/openwrt] tools: add back lzma-old for ath79

[LEDE Commits]

blocktrron pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/1aa71833fe875b0a5b48a64dc8c0775b490ee37f

commit 1aa71833fe875b0a5b48a64dc8c0775b490ee37f
Author: David Bauer <mail at david-bauer.net>
AuthorDate: Sun Aug 30 23:34:41 2020 +0200

    tools: add back lzma-old for ath79
    
    lzma-old host package is required for building ath79 images, as
    mksquashfs-lzma is required for generating netgear images.
    
    Fixes commit 4e4ee4649553 ("ar71xx: drop target")
    
    Signed-off-by: David Bauer <mail at david-bauer.net>
---
 tools/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/Makefile b/tools/Makefile
index 92b5f016df..484e95d651 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -30,7 +30,7 @@ tools-y += mtools dosfstools libressl fakeroot
 tools-$(CONFIG_TARGET_orion_generic) += wrt350nv2-builder upslug2
 tools-$(CONFIG_TARGET_x86) += qemu
 tools-$(CONFIG_TARGET_mxs) += elftosb sdimage
-tools-$(CONFIG_TARGET_ath79) += squashfs
+tools-$(CONFIG_TARGET_ath79) += lzma-old squashfs
 tools-$(CONFIG_USES_MINOR) += kernel2minor
 tools-y += lzma squashfskit4 zip zstd
 tools-$(BUILD_B43_TOOLS) += b43-tools