move device_has to OSHCHIP specifically and define device name. These should probably move to the unified target at some point but is outside the scope of this PR

Author: drewcassidy

targets/targets.json

@@ -3292,7 +3292,7 @@
                 "macro_name": "MBED_CONF_NORDIC_UART_HWFC"
             }
         },
-        "device_has": ["ANALOGIN", "I2C", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"]
+        "device_has": ["ANALOGIN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"]
     },
     "MCU_NRF51_32K_UNIFIED": {
         "inherits": ["MCU_NRF51_UNIFIED"],
@@ -3315,9 +3315,9 @@
     },
     "OSHCHIP": {
         "inherits": ["MCU_NRF51_32K_UNIFIED"],
-        "overrides": {
-            "lf_clock_src": "NRF_LF_SRC_RC"
-        }
+        "overrides": {"lf_clock_src": "NRF_LF_SRC_RC"},
+        "device_has": ["ANALOGIN", "I2C", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
+        "device_name": "nRF51822_xxAC"
     },
     "MCU_NRF52": {
         "inherits": ["Target"],