fix: use correct printf format for uint64_t

sha 4ce3e99a3 introduced printf format specifiers for fixed width
types, which uses PRI*64 instead of "ll" for 64 bit values.

Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
Change-Id: Ic6811cc1788c698adde0807e5f8ab5290a900a26
diff --git a/plat/brcm/board/stingray/src/brcm_pm_ops.c b/plat/brcm/board/stingray/src/brcm_pm_ops.c
index 03a604c..5e07fac 100644
--- a/plat/brcm/board/stingray/src/brcm_pm_ops.c
+++ b/plat/brcm/board/stingray/src/brcm_pm_ops.c
@@ -6,6 +6,7 @@
 
 #include <assert.h>
 #include <errno.h>
+#include <inttypes.h>
 
 #include <arch_helpers.h>
 #include <common/debug.h>
@@ -119,7 +120,7 @@
 		standbywfil2 = CDRU_PROC_EVENT_CLEAR__IH3_CDRU_STANDBYWFIL2;
 		break;
 	default:
-		ERROR("Invalid cluster #%llx\n", MPIDR_AFFLVL1_VAL(mpidr));
+		ERROR("Invalid cluster #%" PRIx64 "\n", MPIDR_AFFLVL1_VAL(mpidr));
 		return;
 	}
 	/* Clear the WFI status bit */