[aarch64] Fixes CLI crashes on dpaa2 platform.

- always use 'va_args' as pointer in all format_* functions
- u32 for all 'indent' params as it's declaration was inconsistent

Change-Id: Ic5799309a6b104c9b50fec309cba789c8da99e79
Signed-off-by: Christophe Fontaine <christophe.fontaine@enea.com>
diff --git a/src/vnet/lisp-gpe/lisp_gpe_tenant.c b/src/vnet/lisp-gpe/lisp_gpe_tenant.c
index 40cf7ed..2c77739 100644
--- a/src/vnet/lisp-gpe/lisp_gpe_tenant.c
+++ b/src/vnet/lisp-gpe/lisp_gpe_tenant.c
@@ -272,9 +272,9 @@
  * @brif Show/display one tenant
  */
 static u8 *
-format_lisp_gpe_tenant (u8 * s, va_list ap)
+format_lisp_gpe_tenant (u8 * s, va_list * ap)
 {
-  const lisp_gpe_tenant_t *lt = va_arg (ap, lisp_gpe_tenant_t *);
+  const lisp_gpe_tenant_t *lt = va_arg (*ap, lisp_gpe_tenant_t *);
 
   s = format (s, "VNI:%d ", lt->lt_vni);