[nrf fromtree] bootutil: Add shared data support for XIP with revert …

…mode

Adds support for sharing the direct-XIP MCUboot mode with revert
to applications using shared data

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>
(cherry picked from commit 50f8b5f)
Signed-off-by: Dominik Ermel <dominik.ermel@nordicsemi.no>
(cherry picked from commit e768dd2)

boot/bootutil/src/boot_record.c

@@ -240,7 +240,11 @@ int boot_save_shared_data(const struct image_header *hdr, const struct flash_are
 #elif defined(MCUBOOT_SWAP_USING_MOVE)
     uint8_t mode = MCUBOOT_MODE_SWAP_USING_MOVE;
 #elif defined(MCUBOOT_DIRECT_XIP)
+#if defined(MCUBOOT_DIRECT_XIP_REVERT)
+    uint8_t mode = MCUBOOT_MODE_DIRECT_XIP_WITH_REVERT;
+#else
     uint8_t mode = MCUBOOT_MODE_DIRECT_XIP;
+#endif
 #elif defined(MCUBOOT_RAM_LOAD)
     uint8_t mode = MCUBOOT_MODE_RAM_LOAD;
 #else