ow: clean up empty lines in .c and .h files

sys/dev/ow/ow.h

@@ -35,7 +35,7 @@ enum ow_device_ivars {
 
 #define OW_ACCESSOR(var, ivar, type)					\
 	__BUS_ACCESSOR(ow, var, OW, ivar, type);
-	
+
 OW_ACCESSOR(family,	FAMILY,	uint8_t)
 OW_ACCESSOR(romid,	ROMID, uint8_t *)
 

sys/dev/ow/ow_temp.c

@@ -55,7 +55,6 @@ __FBSDID("$FreeBSD$");
 #define	RECALL_EE		0xb8
 #define	READ_SCRATCHPAD		0xbe
 
-
 #define	OW_TEMP_DONE		0x01
 #define	OW_TEMP_RUNNING		0x02
 
@@ -95,7 +94,7 @@ static int
 ow_temp_read_scratchpad(device_t dev, uint8_t *scratch, int len)
 {
 	struct ow_cmd cmd;
-	
+
 	own_self_command(dev, &cmd, READ_SCRATCHPAD);
 	cmd.xpt_read_len = len;
 	own_command_wait(dev, &cmd);
@@ -115,7 +114,6 @@ ow_temp_convert_t(device_t dev)
 	return 0;
 }
 
-
 static int
 ow_temp_read_power_supply(device_t dev, int *parasite)
 {
@@ -262,7 +260,7 @@ ow_temp_detach(device_t dev)
 		msleep(sc->event_thread, &sc->temp_lock, PWAIT, "owtun", 0);
 	}
 	mtx_destroy(&sc->temp_lock);
-	
+
 	return 0;
 }
 
@@ -273,7 +271,6 @@ static device_method_t ow_temp_methods[] = {
 	DEVMETHOD(device_probe,		ow_temp_probe),
 	DEVMETHOD(device_attach,	ow_temp_attach),
 	DEVMETHOD(device_detach,	ow_temp_detach),
-
 	{ 0, 0 }
 };
 

sys/dev/ow/own.h

@@ -30,7 +30,6 @@
 
 #include "own_if.h"
 
-
 #define	READ_ROM	0x33
 #define	MATCH_ROM	0x55
 #define	SKIP_ROM	0xcc