staging: rtl8188eu: add spaces around '-' and '*' in usb_halinit.c

Add spaces around '-' and '*' to improve readability and follow kernel
coding style. Reported by checkpatch.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Link: https://lore.kernel.org/r/20190726180448.2290-5-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/usb_halinit.c

@@ -190,7 +190,7 @@ static void _InitPageBoundary(struct adapter *Adapter)
 {
 	/*  RX Page Boundary */
 	/*  */
-	u16 rxff_bndy = MAX_RX_DMA_BUFFER_SIZE_88E-1;
+	u16 rxff_bndy = MAX_RX_DMA_BUFFER_SIZE_88E - 1;
 
 	usb_write16(Adapter, (REG_TRXFF_BNDY + 2), rxff_bndy);
 }
@@ -1298,7 +1298,7 @@ void rtw_hal_set_hwreg(struct adapter *Adapter, u8 variable, u8 *val)
 			struct mlme_ext_priv	*pmlmeext = &Adapter->mlmeextpriv;
 			struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
 
-			tsf = pmlmeext->TSFValue - do_div(pmlmeext->TSFValue, (pmlmeinfo->bcn_interval*1024)) - 1024; /* us */
+			tsf = pmlmeext->TSFValue - do_div(pmlmeext->TSFValue, (pmlmeinfo->bcn_interval * 1024)) - 1024; /* us */
 
 			if (((pmlmeinfo->state & 0x03) == WIFI_FW_ADHOC_STATE) || ((pmlmeinfo->state & 0x03) == WIFI_FW_AP_STATE))
 				StopTxBeacon(Adapter);
@@ -1484,7 +1484,7 @@ void rtw_hal_set_hwreg(struct adapter *Adapter, u8 variable, u8 *val)
 				else
 					ulContent = 0;
 				/*  polling bit, and No Write enable, and address */
-				ulCommand = CAM_CONTENT_COUNT*ucIndex + i;
+				ulCommand = CAM_CONTENT_COUNT * ucIndex + i;
 				ulCommand = ulCommand | CAM_POLLINIG |
 					    CAM_WRITE;
 				/*  write content 0 is equall to mark invalid */