[lib][console] Add an unsigned long long to console_cmd_args

Add and populate an unsigned long long element in the console_cmd_args
struct. This enables handling of 64 bit values on 32 bit targets.

lib/console/console.c

@@ -554,6 +554,7 @@ static void convert_args(int argc, console_cmd_args *argv) {
         argv[i].u = u;
         argv[i].p = (void *)u;
         argv[i].i = atol(argv[i].str);
+        argv[i].ull = atoull(argv[i].str);
 
         if (!strcmp(argv[i].str, "true") || !strcmp(argv[i].str, "on")) {
             argv[i].b = true;

top/include/lk/console_cmd.h

@@ -18,6 +18,7 @@ __BEGIN_CDECLS
 typedef struct {
     const char *str;
     unsigned long u;
+    unsigned long long ull;
     void *p;
     long i;
     bool b;