Replace DT_SPI_NOR_DRV_NAME with DT_JEDEC_SPI_NOR_0_LABEL

Zephyr mainline now generates DT_JEDEC_SPI_NOR_0_LABEL instead of
DT_SPI_NOR_DRV_NAME.

Signed-off-by: Rajavardhan Gundi <rajavardhan.gundi@intel.com>
Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
diff --git a/boot/zephyr/flash_map_extended.c b/boot/zephyr/flash_map_extended.c
index 0b56eeb..0c3d428 100644
--- a/boot/zephyr/flash_map_extended.c
+++ b/boot/zephyr/flash_map_extended.c
@@ -20,7 +20,7 @@
 #if (!defined(CONFIG_XTENSA) && defined(DT_FLASH_DEV_NAME))
 #define FLASH_DEVICE_ID SOC_FLASH_0_ID
 #define FLASH_DEVICE_BASE CONFIG_FLASH_BASE_ADDRESS
-#elif (defined(CONFIG_XTENSA) && defined(DT_SPI_NOR_DRV_NAME))
+#elif (defined(CONFIG_XTENSA) && defined(DT_JEDEC_SPI_NOR_0_LABEL))
 #define FLASH_DEVICE_ID SPI_FLASH_0_ID
 #define FLASH_DEVICE_BASE 0
 #else