[xen staging] static-evtchn: Add missing include

[patchbot@xxxxxxx]

commit 2f1732e40cd96abff990e611082abf40944ba7fc
Author:     Alejandro Vallejo <agarciav@xxxxxxx>
AuthorDate: Tue Jul 22 13:59:41 2025 +0200
Commit:     Stefano Stabellini <stefano.stabellini@xxxxxxx>
CommitDate: Wed Jul 23 13:35:27 2025 -0700

    static-evtchn: Add missing include
    
    When later on x86 starts using this file in later patches it won't find
    device_tree.h because it's only transitively included by arm.
    
    Make it explicit.
    
    Not a functional change.
    
    Signed-off-by: Alejandro Vallejo <alejandro.garciavallejo@xxxxxxx>
    Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxx>
    Reviewed-by: Jason Andryuk <jason.andryuk@xxxxxxx>
---
 xen/common/device-tree/static-evtchn.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/xen/common/device-tree/static-evtchn.c 
b/xen/common/device-tree/static-evtchn.c
index 88342b44a1..45cdd664e4 100644
--- a/xen/common/device-tree/static-evtchn.c
+++ b/xen/common/device-tree/static-evtchn.c
@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <xen/bootfdt.h>
+#include <xen/device_tree.h>
 #include <xen/event.h>
 #include <xen/static-evtchn.h>
 
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