[openwrt/openwrt] ipq40xx: image: remove unused DTB_SIZE variable

[LEDE Commits]

mans0n pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/e257405c1bfa566a876104c3d4270643a27c336f

commit e257405c1bfa566a876104c3d4270643a27c336f
Author: Sungbo Eo <mans0n at gorani.run>
AuthorDate: Mon Jan 17 01:32:59 2022 +0900

    ipq40xx: image: remove unused DTB_SIZE variable
    
    It is not included in DEVICE_VARS anyways.
    
    Signed-off-by: Sungbo Eo <mans0n at gorani.run>
---
 target/linux/ipq40xx/image/generic.mk | 2 --
 1 file changed, 2 deletions(-)

diff --git a/target/linux/ipq40xx/image/generic.mk b/target/linux/ipq40xx/image/generic.mk
index 73a77a8bf8..b22d261d65 100644
--- a/target/linux/ipq40xx/image/generic.mk
+++ b/target/linux/ipq40xx/image/generic.mk
@@ -217,7 +217,6 @@ define Device/asus_rt-ac42u
 	SOC := qcom-ipq4019
 	BLOCKSIZE := 128k
 	PAGESIZE := 2048
-	DTB_SIZE := 65536
 	IMAGE_SIZE := 20439364
 	FILESYSTEMS := squashfs
 #	RT-AC82U is nowhere to be found online
@@ -237,7 +236,6 @@ define Device/asus_rt-ac58u
 	SOC := qcom-ipq4018
 	BLOCKSIZE := 128k
 	PAGESIZE := 2048
-	DTB_SIZE := 65536
 	IMAGE_SIZE := 20439364
 	FILESYSTEMS := squashfs
 #	Someone - in their infinite wisdom - decided to put the firmware