bootfdt: Add missing trailing commas in BOOTINFO_{ACPI,SHMEM}_INIT

Commit a14593e399 extended BOOTINFO_{ACPI,SHMEM}_INIT initializers
list with a new 'type' member but forgot to add trailing commas (they
were present before). This results in a build failure when building
with CONFIG_ACPI=y and CONFIG_STATIC_SHM=y:
./include/xen/bootfdt.h:155:5: error: request for member 'shmem' in something not a structure or union
  155 |     .shmem.common.max_banks = NR_SHMEM_BANKS,       \
      |     ^
./include/xen/bootfdt.h:168:5: note: in expansion of macro 'BOOTINFO_SHMEM_INIT'
  168 |     BOOTINFO_SHMEM_INIT                             \
      |     ^~~~~~~~~~~~~~~~~~~
common/device-tree/bootinfo.c:22:39: note: in expansion of macro 'BOOTINFO_INIT'
   22 | struct bootinfo __initdata bootinfo = BOOTINFO_INIT;

Fixes: a14593e399 ("xen/device-tree: Allow region overlapping with /memreserve/ ranges")
Signed-off-by: Michal Orzel <michal.orzel@amd.com>
Reviewed-by: Bertrand Marquis <bertrand.marquis@arm.com>
Reviewed-by: Luca Fancellu <luca.fancellu@arm.com>

xen/include/xen/bootfdt.h

@@ -145,7 +145,7 @@ struct bootinfo {
 #ifdef CONFIG_ACPI
 #define BOOTINFO_ACPI_INIT                          \
     .acpi.common.max_banks = NR_MEM_BANKS,          \
-    .acpi.common.type = MEMORY
+    .acpi.common.type = MEMORY,
 #else
 #define BOOTINFO_ACPI_INIT
 #endif
@@ -153,7 +153,7 @@ struct bootinfo {
 #ifdef CONFIG_STATIC_SHM
 #define BOOTINFO_SHMEM_INIT                         \
     .shmem.common.max_banks = NR_SHMEM_BANKS,       \
-    .shmem.common.type = STATIC_SHARED_MEMORY
+    .shmem.common.type = STATIC_SHARED_MEMORY,
 #else
 #define BOOTINFO_SHMEM_INIT
 #endif