[openwrt/openwrt] generic: mtdsplit: include appropriate header for kernel 6.12

[LEDE Commits]

ansuel pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/ef590451a3ad1bb0f2ff302a9cc257aeb8640910

commit ef590451a3ad1bb0f2ff302a9cc257aeb8640910
Author: Mieczyslaw Nalewaj <namiltd at yahoo.com>
AuthorDate: Tue Apr 15 20:03:04 2025 +0200

    generic: mtdsplit: include appropriate header for kernel 6.12
    
    In kernel 6.12 asm/unaligned.h was moved to linux/unaligned.h[1]
    The patch points to the appropriate header depending on the kernel version.
    
    1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-6.12.y&id=5f60d5f6bbc12e782fac78110b0ee62698f3b576
    
    Signed-off-by: Mieczyslaw Nalewaj <namiltd at yahoo.com>
    Link: https://github.com/openwrt/openwrt/pull/16547
    Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
---
 target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_lzma.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_lzma.c b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_lzma.c
index c58f7ae4bf..6dcffd0420 100644
--- a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_lzma.c
+++ b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_lzma.c
@@ -14,8 +14,13 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/of.h>
+#include <linux/version.h>
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(6,12,0)
 #include <asm/unaligned.h>
+#else
+#include <linux/unaligned.h>
+#endif
 
 #include "mtdsplit.h"