[openwrt/openwrt] kernel: add define for kernel 6.6

[LEDE Commits]

robimarko pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/71360660e68bbc5bdc9cde89fd66ba5104e59106

commit 71360660e68bbc5bdc9cde89fd66ba5104e59106
Author: Weijie Gao <hackpascal at gmail.com>
AuthorDate: Thu Jan 4 02:14:53 2024 +0800

    kernel: add define for kernel 6.6
    
    Add define for kernel 6.6.
    
    Signed-off-by: Weijie Gao <hackpascal at gmail.com>
---
 include/kernel-6.6 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/kernel-6.6 b/include/kernel-6.6
new file mode 100644
index 0000000000..53132d2ae5
--- /dev/null
+++ b/include/kernel-6.6
@@ -0,0 +1,2 @@
+LINUX_VERSION-6.6 = .20
+LINUX_KERNEL_HASH-6.6.20 = e2f6c7f39b304248193370f8c5755553ab73ad5672e92dae994a344084d8dd22