[openwrt/openwrt] linux: add dtb makefile target to targets list

[LEDE Commits]

ansuel pushed a commit to openwrt/openwrt.git, branch openwrt-23.05:
https://git.openwrt.org/fbe86d0e91b26a9526ff7f55e3ac5ed4543914c2

commit fbe86d0e91b26a9526ff7f55e3ac5ed4543914c2
Author: Christian Marangi <ansuelsmth at gmail.com>
AuthorDate: Thu Feb 8 23:04:55 2024 +0100

    linux: add dtb makefile target to targets list
    
    Add dtb makefile target to targets list to permit correct working of
    
    make target/linux/dtb
    
    Fixes: c47532b1ea7f ("kernel-buildOnmk: add support for compiling only DTS")
    Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
    (cherry picked from commit c4910e9cb37c626ab9f4a47579bc8ec8981cdf4a)
---
 target/linux/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/linux/Makefile b/target/linux/Makefile
index 8eea40ee18..eaf3198222 100644
--- a/target/linux/Makefile
+++ b/target/linux/Makefile
@@ -7,5 +7,5 @@ include $(INCLUDE_DIR)/target.mk
 
 export TARGET_BUILD=1
 
-prereq clean download prepare compile install oldconfig menuconfig nconfig xconfig update refresh: FORCE
+prereq clean download prepare compile install oldconfig menuconfig nconfig xconfig update refresh dtb: FORCE
 	@+$(NO_TRACE_MAKE) -C $(firstword $(wildcard feeds/$(BOARD) $(BOARD))) $@