mm/memblock.c: rename local variable of memblock_type to `type'

A small cleanup.  Seems in e3239ff9 ("memblock: Rename memblock_region to
memblock_type and memblock_property to memblock_region") this one was
missed.
Signed-off-by: NBaoquan He <bhe@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

mm/memblock.c

@@ -699,14 +699,14 @@ static int __init_memblock memblock_reserve_region(phys_addr_t base,
 						   int nid,
 						   unsigned long flags)
 {
-	struct memblock_type *_rgn = &memblock.reserved;
+	struct memblock_type *type = &memblock.reserved;
 
 	memblock_dbg("memblock_reserve: [%#016llx-%#016llx] flags %#02lx %pF\n",
 		     (unsigned long long)base,
 		     (unsigned long long)base + size - 1,
 		     flags, (void *)_RET_IP_);
 
-	return memblock_add_range(_rgn, base, size, nid, flags);
+	return memblock_add_range(type, base, size, nid, flags);
 }
 
 int __init_memblock memblock_reserve(phys_addr_t base, phys_addr_t size)