Revert "zephyr:boards nrf52840_pca10059 rename to nrf52840dongle_nrf52840"

This reverts commit 41c5d50ec7cd295dd39a7a12ee26abefe8b3ab0f.

Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
diff --git a/boot/zephyr/sample.yaml b/boot/zephyr/sample.yaml
index b645620..548b30b 100644
--- a/boot/zephyr/sample.yaml
+++ b/boot/zephyr/sample.yaml
@@ -12,7 +12,7 @@
     tags: bootloader_mcuboot
   sample.bootloader.mcuboot.usb_cdc_acm_recovery:
     tags: bootloader_mcuboot
-    platform_whitelist:  nrf52840dongle_nrf52840
+    platform_whitelist:  nrf52840_pca10059
   sample.bootloader.mcuboot.usb_cdc_acm_recovery_log:
     extra_args: OVERLAY_CONFIG=./usb_cdc_acm_log_recovery.conf
       DTC_OVERLAY=./boards/nrf52840_big.overlay