lrdp_v2 : Fix for broken memstat.py

memstat.py is broken if ion debugging is not enabled.

Change-Id: Ibdb6e21bc158a50ecd6ad95b90725363cb754fe4
Signed-off-by: Ankur Bansal <ankban@codeaurora.org>

linux-ramdump-parser-v2/parsers/memstat.py

@@ -222,7 +222,11 @@ class MemStats(RamParser):
         # vmalloc area
         self.calculate_vmalloc()
 
-        accounted_mem = total_free + total_slab + ion_mem + kgsl_memory + \
+        if type(ion_mem) is str:
+            accounted_mem = total_free + total_slab + kgsl_memory + \
+                            self.vmalloc_size + other_mem
+        else:
+            accounted_mem = total_free + total_slab + ion_mem + kgsl_memory + \
                         self.vmalloc_size + other_mem
 
         unaccounted_mem = total_mem - accounted_mem