boot: zephyr: defines FLASH base address device for external NOR

FLASH_DEVICE_BASE is now given by the parent of the "st,stm32-xspi-nor"
node, which  is the "st,stm32-xspi" compatible

Signed-off-by: Francois Ramu <[email protected]>

Author: FRASTM

boot/zephyr/flash_map_extended.c

@@ -25,7 +25,7 @@ BOOT_LOG_MODULE_DECLARE(mcuboot);
 #define FLASH_DEVICE_ID SPI_FLASH_0_ID
 #if DT_NODE_HAS_STATUS(DT_INST(0, st_stm32_xspi_nor), okay)
 #define FLASH_DEVICE_NODE DT_INST(0, st_stm32_xspi_nor)
-#define FLASH_DEVICE_BASE DT_REG_ADDR(DT_INST(0, st_stm32_xspi_nor))
+#define FLASH_DEVICE_BASE DT_REG_ADDR_BY_IDX(DT_INST(0, st_stm32_xspi),1)
 #elif DT_NODE_HAS_STATUS(DT_INST(0, st_stm32_ospi_nor), okay)
 #define FLASH_DEVICE_NODE DT_INST(0, st_stm32_ospi_nor)
 #define FLASH_DEVICE_BASE DT_REG_ADDR(DT_INST(0, st_stm32_ospi_nor))