[EXPORT][NUCLEO_F334R8] removed accidentally 2 macros

The commit 'export to gcc_arm and coide' removed accidentally 2 macros
from NRF51822 and NRF51 targets.

Author: ohagendorf

workspace_tools/targets.py

@@ -509,7 +509,7 @@ def __init__(self):
         Target.__init__(self)
         self.core = "Cortex-M0"
         self.extra_labels = ["NORDIC", "NRF51822_MKIT", "MCU_NRF51822", "MCU_NORDIC_16K", "NRF51822"]
-        self.macros = ['TARGET_NRF51822']
+        self.macros = ['TARGET_NRF51822', 'TARGET_OTA_ENABLED']
         self.supported_toolchains = ["ARM", "GCC_ARM"]
         self.is_disk_virtual = True
 
@@ -549,7 +549,7 @@ def __init__(self):
         Target.__init__(self)
         self.core = "Cortex-M0"
         self.extra_labels = ['NORDIC', 'MCU_NRF51822', 'MCU_NORDIC_32K', "NRF51_DK"]
-        self.macros = ['TARGET_NRF51822', 'TARGET_NRF51_DK']
+        self.macros = ['TARGET_NRF51822', 'TARGET_NRF51_DK', 'TARGET_OTA_ENABLED']
         self.supported_toolchains = ["ARM", "GCC_ARM"]
         self.is_disk_virtual = True