modem TA跟AT平台的变化

TA平台使用NV1878来选择RF Card，而AT平台重新换了一个NV28967

rf_nv.c中，
 
  /*!Read rf card config NV*/
 
   rfc_uncompress_size = RFC_NV_RF_CARD_CONFIG_SIZE_MAX;
   /* Allocate worst-case memory size for rf card config NV data decompression. */
   rfc_nv_item_data_ptr = (uint8*)modem_mem_alloc(rfc_uncompress_size*sizeof(uint8), MODEM_MEM_CLIENT_RFA