[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/vlib/node_cli.c b/src/vlib/node_cli.c
index 62ab2e6..619170e 100644
--- a/src/vlib/node_cli.c
+++ b/src/vlib/node_cli.c
@@ -102,7 +102,7 @@
   f64 x;
   f64 maxc, maxcn;
   u32 maxn;
-  uword indent;
+  u32 indent;
 
   if (!n)
     {