[openwrt/openwrt] uboot-zynq: build with zynq generic subtarget

[LEDE Commits]

ansuel pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/64bfb8b7d64708e3da7d245783ca79de2db6cbff

commit 64bfb8b7d64708e3da7d245783ca79de2db6cbff
Author: Kuan-Yi Li <kyli at abysm.org>
AuthorDate: Sun Dec 25 04:06:14 2022 +0800

    uboot-zynq: build with zynq generic subtarget
    
    Fix image build fail by using the generic subtarget.
    
    Fixes: 6d7129ef ("zynq: add generic subtarget")
    Ref: 40e3f660 ("uboot-fritz4040: build with ipq40xx generic subtarget")
    Signed-off-by: Kuan-Yi Li <kyli at abysm.org>
    [ add commit description ]
    Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
---
 package/boot/uboot-zynq/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/boot/uboot-zynq/Makefile b/package/boot/uboot-zynq/Makefile
index c605cfaeb2..0f93c4f453 100644
--- a/package/boot/uboot-zynq/Makefile
+++ b/package/boot/uboot-zynq/Makefile
@@ -18,6 +18,7 @@ include $(INCLUDE_DIR)/host-build.mk
 
 define U-Boot/Default
   BUILD_TARGET:=zynq
+  BUILD_SUBTARGET:=generic
   UBOOT_IMAGE:=spl/boot.bin u-boot.img
   UBOOT_CONFIG:=zynq_$(1)
   UENV:=default