cli: increase the max number of sessions to 5

modules/cli/cli.h

@@ -10,7 +10,7 @@
 
 /* Dimensions the buffer into which input characters are placed. */
 #define cmdMAX_INPUT_SIZE			144
-#define MAX_SESSIONS	2
+#define MAX_SESSIONS	5
 
 #define array_len(x) (sizeof(x)/sizeof(x[0]))