timekeeping: Consistently use unsigned int for seqcount snapshot

The timekeeping code uses a random mix of "unsigned long" and "unsigned
int" for the seqcount snapshots (ratio 14:12). Since the seqlock.h API is
entirely based on unsigned int, use that throughout.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190318195557.20773-1-linux@rasmusvillemoes.dk

diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 529143b..561641b 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -149,7 +149,7 @@ void tick_setup_periodic(struct clock_event_device *dev, int broadcast)
 	    !tick_broadcast_oneshot_active()) {
 		clockevents_switch_state(dev, CLOCK_EVT_STATE_PERIODIC);
 	} else {
-		unsigned long seq;
+		unsigned int seq;
 		ktime_t next;
 
 		do {