[nrf noup] bootutil: loader: Add check for netcore addr if NSIB enabled

Add check for netcore addr if NSIB is enabled so netcore updates works

Ref. NCSIDB-696

Signed-off-by: Simon Iversen <simon.iversen@nordicsemi.no>
Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>
(cherry picked from commit b3e43db)

Author: simon-iversen

boot/bootutil/src/loader.c

@@ -934,21 +934,26 @@ boot_validated_swap_type(struct boot_loader_state *state,
         vtable = (uint32_t *)(vtable_addr);
         reset_addr = vtable[1];
 #ifdef PM_S1_ADDRESS
-        const struct flash_area *primary_fa;
-        int rc = flash_area_open(flash_area_id_from_multi_image_slot(
-                    BOOT_CURR_IMG(state),
-                    BOOT_PRIMARY_SLOT),
-                &primary_fa);
+#ifdef PM_CPUNET_B0N_ADDRESS
+        if(reset_addr < PM_CPUNET_B0N_ADDRESS)
+#endif
+        {
+            const struct flash_area *primary_fa;
+            int rc = flash_area_open(flash_area_id_from_multi_image_slot(
+                        BOOT_CURR_IMG(state),
+                        BOOT_PRIMARY_SLOT),
+                    &primary_fa);
 
-        if (rc != 0) {
-            return BOOT_SWAP_TYPE_FAIL;
-        }
-        /* Get start and end of primary slot for current image */
-        if (reset_addr < primary_fa->fa_off ||
-                reset_addr > (primary_fa->fa_off + primary_fa->fa_size)) {
-            /* The image in the secondary slot is not intended for this image
-            */
-            return BOOT_SWAP_TYPE_NONE;
+            if (rc != 0) {
+                return BOOT_SWAP_TYPE_FAIL;
+            }
+            /* Get start and end of primary slot for current image */
+            if (reset_addr < primary_fa->fa_off ||
+                    reset_addr > (primary_fa->fa_off + primary_fa->fa_size)) {
+                /* The image in the secondary slot is not intended for this image
+                */
+                return BOOT_SWAP_TYPE_NONE;
+            }
         }
 #endif /* PM_S1_ADDRESS */
     }