l1if: fix pcu_rx_rach_ind(): use proper format string specifiers

Change-Id: If95362ef4cc203a60856d6b47d95d441813a5c19
diff --git a/src/pcu_l1_if.cpp b/src/pcu_l1_if.cpp
index deccb30..37a0705 100644
--- a/src/pcu_l1_if.cpp
+++ b/src/pcu_l1_if.cpp
@@ -441,7 +441,7 @@
 	int current_fn = get_current_fn();
 
 	LOGP(DL1IF, LOGL_INFO, "RACH request received: sapi=%d "
-		"qta=%d, ra=%d, fn=%d, cur_fn=%d, is_11bit=%d\n", rach_ind->sapi, rach_ind->qta,
+		"qta=%d, ra=0x%02x, fn=%u, cur_fn=%d, is_11bit=%d\n", rach_ind->sapi, rach_ind->qta,
 		rach_ind->ra, rach_ind->fn, current_fn, rach_ind->is_11bit);
 
 	switch (rach_ind->sapi) {