rtlwifi: Install updated rate-mapping routine

In preparation for fixing the rate-mapping situation, place a driver-agnostic
version in rtlwifi. This one contains the updated rate incormation.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Chaoming Li <chaoming_li@realsil.com.cn>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h
index d3c3ffd..8a90919 100644
--- a/drivers/net/wireless/rtlwifi/wifi.h
+++ b/drivers/net/wireless/rtlwifi/wifi.h
@@ -386,6 +386,41 @@
 	_HAL_STATE_START = 1,
 };
 
+enum rtl_desc92_rate {
+	DESC92_RATE1M = 0x00,
+	DESC92_RATE2M = 0x01,
+	DESC92_RATE5_5M = 0x02,
+	DESC92_RATE11M = 0x03,
+
+	DESC92_RATE6M = 0x04,
+	DESC92_RATE9M = 0x05,
+	DESC92_RATE12M = 0x06,
+	DESC92_RATE18M = 0x07,
+	DESC92_RATE24M = 0x08,
+	DESC92_RATE36M = 0x09,
+	DESC92_RATE48M = 0x0a,
+	DESC92_RATE54M = 0x0b,
+
+	DESC92_RATEMCS0 = 0x0c,
+	DESC92_RATEMCS1 = 0x0d,
+	DESC92_RATEMCS2 = 0x0e,
+	DESC92_RATEMCS3 = 0x0f,
+	DESC92_RATEMCS4 = 0x10,
+	DESC92_RATEMCS5 = 0x11,
+	DESC92_RATEMCS6 = 0x12,
+	DESC92_RATEMCS7 = 0x13,
+	DESC92_RATEMCS8 = 0x14,
+	DESC92_RATEMCS9 = 0x15,
+	DESC92_RATEMCS10 = 0x16,
+	DESC92_RATEMCS11 = 0x17,
+	DESC92_RATEMCS12 = 0x18,
+	DESC92_RATEMCS13 = 0x19,
+	DESC92_RATEMCS14 = 0x1a,
+	DESC92_RATEMCS15 = 0x1b,
+	DESC92_RATEMCS15_SG = 0x1c,
+	DESC92_RATEMCS32 = 0x20,
+};
+
 enum rtl_var_map {
 	/*reg map */
 	SYS_ISO_CTRL = 0,