staging: rtl8188eu: fold rtl8188e_read_chip_version() into rtl8188e_SetHalODMVar()

Both rtl8188e_read_chip_version() and ReadChipVersion8188E() are used
only in one place.  Make ReadChipVersion8188E() a void function and
eliminate its wrapper - rtl8188e_read_chip_version().
Signed-off-by: Jakub Sitnicki <jsitnicki@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/rtl8188e_hal_init.c

@@ -128,7 +128,7 @@ static void rtl8188e_free_hal_data(struct adapter *padapter)
 	padapter->HalData = NULL;
 }
 
-static struct HAL_VERSION ReadChipVersion8188E(struct adapter *padapter)
+static void ReadChipVersion8188E(struct adapter *padapter)
 {
 	u32				value32;
 	struct HAL_VERSION		ChipVersion;
@@ -148,13 +148,6 @@ static struct HAL_VERSION ReadChipVersion8188E(struct adapter *padapter)
 	pHalData->NumTotalRFPath = 1;
 
 	MSG_88E("RF_Type is %x!!\n", pHalData->rf_type);
-
-	return ChipVersion;
-}
-
-static void rtl8188e_read_chip_version(struct adapter *padapter)
-{
-	ReadChipVersion8188E(padapter);
 }
 
 static void rtl8188e_SetHalODMVar(struct adapter *Adapter, enum hal_odm_variable eVariable, void *pValue1, bool bSet)
@@ -203,7 +196,7 @@ void rtl8188e_set_hal_ops(struct hal_ops *pHalFunc)
 
 	pHalFunc->dm_init = &rtl8188e_init_dm_priv;
 
-	pHalFunc->read_chip_version = &rtl8188e_read_chip_version;
+	pHalFunc->read_chip_version = &ReadChipVersion8188E;
 
 	pHalFunc->set_bwmode_handler = &phy_set_bw_mode;
 	pHalFunc->set_channel_handler = &phy_sw_chnl;