MTK关于AGC校准结果不准的

[SOLUTION]
由于不同RF Chip的工作特性不同，因而针对不同Project，在AGC H/M/L三种Mode下CFG设置也略有不同。相关设置参考如下：

1. 针对MT6589+MT6168(G+TD)的Project，请将Cfg文件进行如下设置：
   [Downlink power]
   P_DL = -75 // 这样才能保证校准时LNA工作在High mode上
   CELL_POWER_2G_LNA_MIDDLE = -65
   CELL_POWER_2G_LNA_LOW = -50

2. 针对MT6589+MT6167(G+W)，请将Cfg文件设置如下：
   [Downlink power]
   ; For LNA high mode
   P_DL = -60
   ; For LNA middle mode
   CELL_POWER_2G_LNA_MIDDLE = -45
   ; For low middle mode
   CELL_POWER_2G_LNA_LOW = -30

3. 针对MT6572&MT6582（RF6166）平台G+TD Project，CFG文件请进行如下设置：
   [TDSCDMA RSSI table]
   TDSCDMA_RSSI_P_DL_HIGH_MODE = -50
   TDSCDMA_RSSI_P_DL_MID_MODE = -50
   TDSCDMA_RSSI_P_DL_LOW_MODE = -20
   TDSCDMA_RSSI_RF_GAIN_INDEX_HIGH_MODE = 70
   TDSCDMA_RSSI_RF_GAIN_INDEX_MID_MODE = 55
   TDSCDMA_RSSI_RF_GAIN_INDEX_LOW_MODE = 10

4. 针对MT65xx+MT6162平台G+W Project，CFG文件请进行如下设置：
   [WCDMA RSSI/LNA table]
   WCDMA_LNA_HIGH_MODE_P_DL = -75
   WCDMA_LNA_MID_MODE_P_DL = -45
   WCDMA_LNA_LOW_MODE_P_DL = -33
   WCDMA_RX_GAIN_FOR_HIGH_MODE = 57
   WCDMA_RX_GAIN_FOR_MIDDLE_MODE = 30
   WCDMA_RX_GAIN_FOR_LOW_MODE = 18
   若需要修改WCDMA_LNA_HIGH_MODE_P_DL的值，那么WCDMA_RX_GAIN_FOR_HIGH_MODE的值也要进行相应的修改，下面给出几组参考值（仅供参考）。
   WCDMA_LNA_HIGH_MODE_P_DL = -75
   WCDMA_RX_GAIN_FOR_HIGH_MODE = 57
   WCDMA_LNA_HIGH_MODE_P_DL = -80

WCDMA_RX_GAIN_FOR_HIGH_MODE = 60
WCDMA_LNA_HIGH_MODE_P_DL = -85
WCDMA_RX_GAIN_FOR_HIGH_MODE = 66