samples/drivers/soc_flash_nrf: enable nrf9160_pca10090 targets

The patch provides flash offsets appropriate for running
this sample on nrf9160_pac10090 targets.
As that sample is small one, it is done with assumption that image_1
flash partition is empty.

Signed-off-by: Andrzej Puzdrowski <[email protected]>

Author: nvlsianpu

samples/drivers/soc_flash_nrf/sample.yaml

@@ -2,5 +2,5 @@ sample:
   name: SoC Flash on NRF52
 tests:
   sample.driver.soc_flash_nrf:
-    platform_whitelist: nrf52_pca10040
+    platform_whitelist: nrf52_pca10040 nrf9160_pca10090 nrf9160_pca10090ns
     tags: flash nrf52

samples/drivers/soc_flash_nrf/src/main.c

@@ -10,8 +10,13 @@
 #include <device.h>
 #include <stdio.h>
 
-/* Offset between pages */
-#define FLASH_TEST_OFFSET 0x40000
+
+#ifdef CONFIG_TRUSTED_EXECUTION_NONSECURE
+#define FLASH_TEST_OFFSET DT_FLASH_AREA_IMAGE_1_NONSECURE_OFFSET
+#else
+#define FLASH_TEST_OFFSET DT_FLASH_AREA_IMAGE_1_OFFSET
+#endif
+
 #define FLASH_PAGE_SIZE   4096
 #define TEST_DATA_WORD_0  0x1122
 #define TEST_DATA_WORD_1  0xaabb