drivers/base/memory: init_memory_block() first parameter is not necessary

The first parameter of init_memory_block() is intended to retrieve the
memory_block initiated. But now, we never use it.

Drop it for now.

Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com>
Link: https://lore.kernel.org/r/20200623025701.2016-1-richard.weiyang@linux.alibaba.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>