[openwrt/openwrt] kirkwood: add generic subtarget

[LEDE Commits]

ansuel pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/cada395a5075e30ec28ee95a2255801de13f2cc4

commit cada395a5075e30ec28ee95a2255801de13f2cc4
Author: Christian Marangi <ansuelsmth at gmail.com>
AuthorDate: Mon Dec 19 16:45:39 2022 +0100

    kirkwood: add generic subtarget
    
    Same game as for 853e4dd3062df7cb5704b15d6af6730e3194b571. Add generic
    to the filenames.
    
    Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
---
 target/linux/kirkwood/Makefile          | 1 +
 target/linux/kirkwood/generic/target.mk | 1 +
 2 files changed, 2 insertions(+)

diff --git a/target/linux/kirkwood/Makefile b/target/linux/kirkwood/Makefile
index c7a25451c9..4827d90ee2 100644
--- a/target/linux/kirkwood/Makefile
+++ b/target/linux/kirkwood/Makefile
@@ -9,6 +9,7 @@ BOARD:=kirkwood
 BOARDNAME:=Marvell Kirkwood
 FEATURES:=usb nand squashfs ramdisk
 CPU_TYPE:=xscale
+SUBTARGETS:=generic
 
 KERNEL_PATCHVER:=5.10
 KERNEL_TESTING_PATCHVER:=5.15
diff --git a/target/linux/kirkwood/generic/target.mk b/target/linux/kirkwood/generic/target.mk
new file mode 100644
index 0000000000..f5cb1fb19b
--- /dev/null
+++ b/target/linux/kirkwood/generic/target.mk
@@ -0,0 +1 @@
+BOARDNAME:=Generic