clocksource/timecompare: Fix symbol exports to be GPL'd.

Noticed by Thomas GLeixner.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

kernel/time/clocksource.c

@@ -39,7 +39,7 @@ void timecounter_init(struct timecounter *tc,
 	tc->cycle_last = cc->read(cc);
 	tc->nsec = start_tstamp;
 }
-EXPORT_SYMBOL(timecounter_init);
+EXPORT_SYMBOL_GPL(timecounter_init);
 
 /**
  * timecounter_read_delta - get nanoseconds since last call of this function
@@ -83,7 +83,7 @@ u64 timecounter_read(struct timecounter *tc)
 
 	return nsec;
 }
-EXPORT_SYMBOL(timecounter_read);
+EXPORT_SYMBOL_GPL(timecounter_read);
 
 u64 timecounter_cyc2time(struct timecounter *tc,
 			 cycle_t cycle_tstamp)
@@ -105,7 +105,7 @@ u64 timecounter_cyc2time(struct timecounter *tc,
 
 	return nsec;
 }
-EXPORT_SYMBOL(timecounter_cyc2time);
+EXPORT_SYMBOL_GPL(timecounter_cyc2time);
 
 /*[Clocksource internal variables]---------
  * curr_clocksource:

kernel/time/timecompare.c

@@ -40,7 +40,7 @@ ktime_t timecompare_transform(struct timecompare *sync,
 
 	return ns_to_ktime(nsec);
 }
-EXPORT_SYMBOL(timecompare_transform);
+EXPORT_SYMBOL_GPL(timecompare_transform);
 
 int timecompare_offset(struct timecompare *sync,
 		       s64 *offset,
@@ -131,7 +131,7 @@ int timecompare_offset(struct timecompare *sync,
 
 	return used;
 }
-EXPORT_SYMBOL(timecompare_offset);
+EXPORT_SYMBOL_GPL(timecompare_offset);
 
 void __timecompare_update(struct timecompare *sync,
 			  u64 source_tstamp)
@@ -188,4 +188,4 @@ void __timecompare_update(struct timecompare *sync,
 		}
 	}
 }
-EXPORT_SYMBOL(__timecompare_update);
+EXPORT_SYMBOL_GPL(__timecompare_update);