MIMXRT1050: Update target configuration

1. Add defines to copy ram & no-cache functions
2. Add deep sleep latency definition

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>

Author: mmahadevan108

targets/targets.json

@@ -1914,8 +1914,11 @@
             "XIP_BOOT_HEADER_ENABLE=1",
             "XIP_EXTERNAL_FLASH=1",
             "XIP_BOOT_HEADER_DCD_ENABLE=1",
+            "FSL_SDK_DRIVER_QUICK_ACCESS_ENABLE=1",
             "SKIP_SYSCLK_INIT",
             "FSL_FEATURE_PHYKSZ8081_USE_RMII50M_MODE",
+            "__STARTUP_INITIALIZE_RAMFUNCTION",
+            "__STARTUP_INITIALIZE_NONCACHEDATA",
             "MBED_MPU_CUSTOM",
             "MBED_TICKLESS"
         ],
@@ -1946,6 +1949,7 @@
         "features": ["LWIP"],
         "device_name": "MIMXRT1052",
         "overrides": {
+            "deep-sleep-latency": 5,
             "network-default-interface-type": "ETHERNET"
         }
     },