staging:rtl8192u: Rename EEPROM_TxPowerDiff - Style

Rename EEPROM_TxPowerDiff to EEPROM_TX_POWER_DIFF. This change clears
the checkpatch issue with CamelCase naming.

This change is purely a coding style change which should have no
impact on runtime code execution.
Signed-off-by: John Whitmore <johnfwhitmore@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/r8192U_core.c

@@ -2425,7 +2425,7 @@ static int rtl8192_read_eeprom_info(struct net_device *dev)
 	if (priv->card_8192_version == VERSION_819XU_A) {
 		/* read Tx power gain offset of legacy OFDM to HT rate */
 		if (bLoad_From_EEPOM) {
-			ret = eprom_read(dev, (EEPROM_TxPowerDiff >> 1));
+			ret = eprom_read(dev, (EEPROM_TX_POWER_DIFF >> 1));
 			if (ret < 0)
 				return ret;
 			priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;

drivers/staging/rtl8192u/r8192U_hw.h

@@ -37,7 +37,7 @@
 #define EEPROM_PID		0x04
 #define EEPROM_NODE_ADDRESS_BYTE_0	0x0C
 
-#define EEPROM_TxPowerDiff	0x1F
+#define EEPROM_TX_POWER_DIFF	0x1F
 #define EEPROM_ThermalMeter	0x20
 #define EEPROM_PwDiff		0x21	//0x21
 #define EEPROM_CrystalCap	0x22	//0x22