[openwrt/openwrt] ramips: rt288x: mark subtarget as source-only

[LEDE Commits]

robimarko pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/0144df6ca20cda992ea4f9cd8ec68243fa5fad21

commit 0144df6ca20cda992ea4f9cd8ec68243fa5fad21
Author: Shiji Yang <yangshiji66 at outlook.com>
AuthorDate: Thu May 8 19:23:14 2025 +0800

    ramips: rt288x: mark subtarget as source-only
    
    Due to RAM/ROM size limitations, this sub-target has been unable
    to generate usable images for a long time. Mark them as source-only
    to save some resource for the buildbot.
    
    Signed-off-by: Shiji Yang <yangshiji66 at outlook.com>
    Link: https://github.com/openwrt/openwrt/pull/18745
    Signed-off-by: Robert Marko <robimarko at gmail.com>
---
 target/linux/ramips/rt288x/target.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/linux/ramips/rt288x/target.mk b/target/linux/ramips/rt288x/target.mk
index 87e10ff2fd..94855e5d62 100644
--- a/target/linux/ramips/rt288x/target.mk
+++ b/target/linux/ramips/rt288x/target.mk
@@ -4,7 +4,7 @@
 
 SUBTARGET:=rt288x
 BOARDNAME:=RT288x based boards
-FEATURES+=small_flash
+FEATURES+=small_flash source-only
 CPU_TYPE:=24kc
 
 DEFAULT_PACKAGES += kmod-rt2800-soc wpad-basic-mbedtls swconfig