Move duplicated NRF52 + MCU_NRF51822 files into NRF52

Author: theotherjimmy

targets/TARGET_NORDIC/TARGET_NRF5/analogin_api.c renamed to targets/TARGET_NORDIC/TARGET_NRF5/TARGET_NRF52_COMMON/analogin_api.c

@@ -2628,7 +2628,7 @@
         "inherits": ["Target"],
         "core": "Cortex-M4F",
         "macros": ["NRF52", "TARGET_NRF52832", "BLE_STACK_SUPPORT_REQD", "SOFTDEVICE_PRESENT", "S132", "CMSIS_VECTAB_VIRTUAL", "CMSIS_VECTAB_VIRTUAL_HEADER_FILE=\"cmsis_nvic.h\""],
-        "extra_labels": ["NORDIC", "MCU_NRF52", "MCU_NRF52832", "NRF5", "SDK11"],
+        "extra_labels": ["NORDIC", "MCU_NRF52", "MCU_NRF52832", "NRF5", "SDK11", "NRF52_COMMON"],
         "OUTPUT_EXT": "hex",
         "is_disk_virtual": true,
         "supported_toolchains": ["GCC_ARM", "ARM", "IAR"],
@@ -2708,7 +2708,7 @@
         "inherits": ["Target"],
         "core": "Cortex-M4F",
         "macros": ["TARGET_NRF52840", "BLE_STACK_SUPPORT_REQD", "SOFTDEVICE_PRESENT", "S140", "NRF_SD_BLE_API_VERSION=5", "NRF52840_XXAA", "NRF_DFU_SETTINGS_VERSION=1", "NRF_SD_BLE_API_VERSION=5", "CMSIS_VECTAB_VIRTUAL", "CMSIS_VECTAB_VIRTUAL_HEADER_FILE=\"cmsis_nvic.h\""],
-        "extra_labels": ["NORDIC", "MCU_NRF52840", "NRF5", "SDK13"],
+        "extra_labels": ["NORDIC", "MCU_NRF52840", "NRF5", "SDK13", "NRF52_COMMON"],
         "OUTPUT_EXT": "hex",
         "is_disk_virtual": true,
         "supported_toolchains": ["GCC_ARM", "ARM", "IAR"],