fs/tmpfs : Change wrong memory allocation usage
kmm_malloc can be matched with kmm_malloc_at, instead of malloc_at for allocating the memory into the kernel.
#undef kmm_malloc
#undef kmm_zalloc
#undef kmm_realloc
-#define kmm_malloc(s) malloc_at(CONFIG_FS_TMPFS_HEAP_INDEX, s)
-#define kmm_zalloc(s) zalloc_at(CONFIG_FS_TMPFS_HEAP_INDEX, s)
-#define kmm_realloc(p, s) realloc_at(CONFIG_FS_TMPFS_HEAP_INDEX, p, s)
+#define kmm_malloc(s) kmm_malloc_at(CONFIG_FS_TMPFS_HEAP_INDEX, s)
+#define kmm_zalloc(s) kmm_zalloc_at(CONFIG_FS_TMPFS_HEAP_INDEX, s)
+#define kmm_realloc(p, s) kmm_realloc_at(CONFIG_FS_TMPFS_HEAP_INDEX, p, s)
#endif
/****************************************************************************
