mm/mm_heap/mm_mallinfo : Fix build warnings
mm/mm_heap/mm_mallinfo : Fix build warnings

1)mm_heap/mm_mallinfo.c: In function 'mm_mallinfo':
mm_heap/mm_mallinfo.c:117:8: warning: assignment from incompatible pointer type [-Wincompatible-pointer-types]
   node = heap->mm_heapstart[region];
        ^
mm_heap/mm_mallinfo.c:120:15: warning: comparison of distinct pointer types lacks a cast
   for (; node < heap->mm_heapend[region]; prev = node, node = next, next = (struct mm_freenode_s *)((char *)next + next->size)) {
               ^
mm_heap/mm_mallinfo.c:123:28: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
    if ((prev && prev->size != node->preceding & ~MM_ALLOC_BIT) ||
                 ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
mm_heap/mm_mallinfo.c:124:17: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
     (node->size != next->preceding & ~MM_ALLOC_BIT) ||
2) Change printing format for size and preceding

Samsung/TizenRT,sunghan-chang/TizenRT,jeongchanKim/TizenRT,jeongchanKim/TizenRT,an4967/TizenRT,jsdosa/TizenRT,Samsung/TizenRT,an4967/TizenRT,Samsung/TizenRT,pillip8282/TizenRT,junmin-kim/TizenRT,sunghan-chang/TizenRT,jsdosa/TizenRT,junmin-kim/TizenRT,jeongchanKim/TizenRT,junmin-kim/TizenRT,sunghan-chang/TizenRT,jeongarmy/TizenRT,jsdosa/TizenRT,pillip8282/TizenRT,Samsung/TizenRT,jsdosa/TizenRT,jeongchanKim/TizenRT,jeongchanKim/TizenRT,sunghan-chang/TizenRT,junmin-kim/TizenRT,sunghan-chang/TizenRT,junmin-kim/TizenRT,pillip8282/TizenRT,jeongchanKim/TizenRT,pillip8282/TizenRT,jeongchanKim/TizenRT,an4967/TizenRT,an4967/TizenRT,jeongarmy/TizenRT,Samsung/TizenRT,sunghan-chang/TizenRT,jsdosa/TizenRT,pillip8282/TizenRT,sunghan-chang/TizenRT,jsdosa/TizenRT,an4967/TizenRT,junmin-kim/TizenRT,jeongarmy/TizenRT,junmin-kim/TizenRT,jsdosa/TizenRT,pillip8282/TizenRT,jeongarmy/TizenRT,an4967/TizenRT,Samsung/TizenRT,an4967/TizenRT,Samsung/TizenRT,jeongarmy/TizenRT,pillip8282/TizenRT,jeongarmy/TizenRT,jeongarmy/TizenRT