build: fix for sourcing targets image config installed via feeds

Sourcing of image/Config.in will not happen
When a target is installed from target/linux/feeds/

Signed-off-by: Prasun Maiti <[email protected]>
Acked-by: Petr Štetiar <[email protected]>

config/Config-images.in

@@ -284,6 +284,7 @@ menu "Target Images"
 	comment "Image Options"
 
 	source "target/linux/*/image/Config.in"
+	source "target/linux/*/*/image/Config.in"
 
 	config TARGET_KERNEL_PARTSIZE
 		int "Kernel partition size (in MiB)"