kms_psr_sink_crc: Reduce our time out for PSR active.

Using same timeout value as kms_fronbuffer_tracking and for
same reasons exposed at 'commit 83582f9b ("kms_frontbuffer_tracking:
 Increase the time we wait for PSR.")'

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
diff --git a/tests/kms_psr_sink_crc.c b/tests/kms_psr_sink_crc.c
index 8843ed8..8cd11a7 100644
--- a/tests/kms_psr_sink_crc.c
+++ b/tests/kms_psr_sink_crc.c
@@ -260,7 +260,7 @@
 
 static bool wait_psr_entry(data_t *data)
 {
-	int timeout = 10;
+	int timeout = 5;
 	while (timeout--) {
 		if (psr_active(data))
 			return true;