[openwrt/openwrt] kernel: add missing patch header

[LEDE Commits]

dangole pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/bc59bf2a3565949e66f453b1ae18cfc279981391

commit bc59bf2a3565949e66f453b1ae18cfc279981391
Author: Daniel Golle <daniel at makrotopia.org>
AuthorDate: Tue May 28 01:49:36 2024 +0100

    kernel: add missing patch header
    
    Make sure all patches can again be applied using 'git am' on the
    corresponding linux-stable git tree.
    
    Fixes: a7ae4ed0a3 ("kernel: fix tools build breakage on macos with x86")
    Signed-off-by: Daniel Golle <daniel at makrotopia.org>
---
 target/linux/generic/hack-6.6/200-tools_portability.patch | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/target/linux/generic/hack-6.6/200-tools_portability.patch b/target/linux/generic/hack-6.6/200-tools_portability.patch
index 2ea8a68537..5d2b20dcb7 100644
--- a/target/linux/generic/hack-6.6/200-tools_portability.patch
+++ b/target/linux/generic/hack-6.6/200-tools_portability.patch
@@ -1,3 +1,10 @@
+From a7ae4ed0a3951c45d4a59ee575951b64ae4a23fb Mon Sep 17 00:00:00 2001
+From: Felix Fietkau <nbd at nbd.name>
+Date: Tue, 7 May 2024 12:22:15 +0200
+Subject: [PATCH] kernel: fix tools build breakage on macos with x86
+
+Signed-off-by: Felix Fietkau <nbd at nbd.name>
+---
 --- a/tools/scripts/Makefile.include
 +++ b/tools/scripts/Makefile.include
 @@ -72,8 +72,6 @@ $(call allow-override,CXX,$(CROSS_COMPIL