xen/bootinfo: Include declaration for fw_unreserved_regions()

Eclair complains that fw_unreserved_regions() can't see it's declaration.
Include <asm/setup.h> to address this.

This makes Misra Rule 8.4 clean on ARM, so tag it as such.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>

automation/eclair_analysis/ECLAIR/tagging.ecl

@@ -115,7 +115,7 @@ if(string_equal(target,"x86_64"),
 )
 
 if(string_equal(target,"arm64"),
-    service_selector({"additional_clean_guidelines","MC3R1.R2.1||MC3R1.R5.3||MC3.R11.2||MC3R1.R16.6||MC3R1.R20.7"})
+    service_selector({"additional_clean_guidelines","MC3R1.R2.1||MC3R1.R5.3||MC3R1.R8.4||MC3.R11.2||MC3R1.R16.6||MC3R1.R20.7"})
 )
 
 -reports+={clean:added,"service(clean_guidelines_common||additional_clean_guidelines)"}

xen/common/device-tree/bootinfo.c

@@ -17,6 +17,8 @@
 #include <xen/libfdt/libfdt-xen.h>
 #include <xen/mm.h>
 
+#include <asm/setup.h>
+
 struct bootinfo __initdata bootinfo = BOOTINFO_INIT;
 
 const char * __init boot_module_kind_as_string(bootmodule_kind kind)