Assume no softdevice for nrf52 (ARMmbed#133)

Author: LiyouZhou

configs/nrf52_internal_flash_fake_rot.json

@@ -32,10 +32,10 @@
             "minimal-printf.console-output"     : "SWO",
             "target.app_offset"                 : "0x74000",
             "update-client.application-details" : "(508*1024)",
-            "application-start-address"         : "(152*1024)",
-            "max-application-size"              : "(156*1024)",
-            "update-client.storage-address"     : "(308*1024)",
-            "update-client.storage-size"        : "(156*1024)",
+            "application-start-address"         : "(4*1024)",
+            "max-application-size"              : "(232*1024)",
+            "update-client.storage-address"     : "(236*1024)",
+            "update-client.storage-size"        : "(228*1024)",
             "update-client.storage-locations"   : 1,
             "update-client.storage-page"        : 4,
             "target.extra_labels_remove"        : ["SOFTDEVICE_S132_FULL", "SOFTDEVICE_COMMON"],