lib: spinlock_debug: increase spin dump timeout

On certain targets the worst case console buffer draining time can
exceed the aggressive spin dump timeout value. Relax the timeout value
to cater to these scenarios.

Change-Id: I7312ffe06bafd2dc7adf0f4e8b73a53fc5839235
Signed-off-by: Syed Rameez Mustafa <rameezmustafa@codeaurora.org>
diff --git a/lib/spinlock_debug.c b/lib/spinlock_debug.c
index ac516f4..6d22836 100644
--- a/lib/spinlock_debug.c
+++ b/lib/spinlock_debug.c
@@ -108,7 +108,7 @@
 static void __spin_lock_debug(raw_spinlock_t *lock)
 {
 	u64 i;
-	u64 loops = (loops_per_jiffy * HZ) >> 4;
+	u64 loops = (loops_per_jiffy * HZ) >> 1;
 
 	for (i = 0; i < loops; i++) {
 		if (arch_spin_trylock(&lock->raw_lock))