[PATCH] x86: work around build issue with GNU ld 2.37

[Jan Beulich]

I suspect it is commit 40726f16a8d7 ("ld script expression parsing")
which broke the hypervisor build, by no longer accepting section names
with a dash in them inside ADDR() (and perhaps other script directives
expecting just a section name, not an expression): .note.gnu.build-id
is such a section.

Quoting all section names passed to ADDR() via DECL_SECTION() works
around the regression.

Signed-off-by: Jan Beulich <jbeul...@suse.com>

--- a/xen/arch/x86/xen.lds.S
+++ b/xen/arch/x86/xen.lds.S
@@ -18,7 +18,7 @@ ENTRY(efi_start)
 #else /* !EFI */
 
 #define FORMAT "elf64-x86-64"
-#define DECL_SECTION(x) x : AT(ADDR(x) - __XEN_VIRT_START)
+#define DECL_SECTION(x) x : AT(ADDR(#x) - __XEN_VIRT_START)
 
 ENTRY(start_pa)