io_uring: re-arrange Makefile order

The object list is a bit of a mess, with core and opcode files mixed in.
Re-arrange it so that we have the core bits first, and then opcode
specific files after that.
Signed-off-by: Jens Axboe <axboe@kernel.dk>

io_uring/Makefile

@@ -2,13 +2,13 @@
 #
 # Makefile for io_uring
 
-obj-$(CONFIG_IO_URING)		+= io_uring.o xattr.o nop.o fs.o splice.o \
-					sync.o advise.o filetable.o \
-					openclose.o uring_cmd.o epoll.o \
-					statx.o net.o msg_ring.o timeout.o \
-					sqpoll.o fdinfo.o tctx.o poll.o \
-					cancel.o kbuf.o rsrc.o rw.o opdef.o \
-					notif.o waitid.o register.o truncate.o
+obj-$(CONFIG_IO_URING)		+= io_uring.o opdef.o kbuf.o rsrc.o notif.o \
+					tctx.o filetable.o rw.o net.o poll.o \
+					uring_cmd.o openclose.o sqpoll.o \
+					xattr.o nop.o fs.o splice.o sync.o \
+					msg_ring.o advise.o openclose.o \
+					epoll.o statx.o timeout.o fdinfo.o \
+					cancel.o waitid.o register.o truncate.o
 obj-$(CONFIG_IO_WQ)		+= io-wq.o
 obj-$(CONFIG_FUTEX)		+= futex.o
 obj-$(CONFIG_NET_RX_BUSY_POLL) += napi.o