boot: zephyr: fix xtensa define condition

Adds missing bracket to the xtensa node
exists condition.

Signed-off-by: Georgij Cernysiov <[email protected]>

Author: GeorgeCGV

boot/zephyr/flash_map_extended.c

@@ -22,7 +22,7 @@ BOOT_LOG_MODULE_DECLARE(mcuboot);
 #define FLASH_DEVICE_ID SOC_FLASH_0_ID
 #define FLASH_DEVICE_BASE CONFIG_FLASH_BASE_ADDRESS
 #define FLASH_DEVICE_NODE DT_CHOSEN(zephyr_flash_controller)
-#elif (defined(CONFIG_XTENSA) && DT_NODE_EXISTS(DT_INST(0, jedec_spi_nor))
+#elif (defined(CONFIG_XTENSA) && DT_NODE_EXISTS(DT_INST(0, jedec_spi_nor)))
 #define FLASH_DEVICE_ID SPI_FLASH_0_ID
 #define FLASH_DEVICE_BASE 0
 #define FLASH_DEVICE_NODE DT_INST(0, jedec_spi_nor)