cam: Minor tidying up the cam module Makefile

One src per line + sorting.

Sponsored by:		Netflix

sys/modules/cam/Makefile

@@ -16,30 +16,39 @@ SRCS+=	opt_sa.h
 SRCS+=	opt_ses.h
 SRCS+=	opt_ddb.h
 SRCS+=	opt_printf.h
-SRCS+=	device_if.h bus_if.h vnode_if.h
+SRCS+=	bus_if.h
+SRCS+=	device_if.h
+SRCS+=	vnode_if.h
+SRCS+=	ata_all.c
+SRCS+=	ata_da.c
+SRCS+=	ata_pmp.c
+SRCS+=	ata_xpt.c
 SRCS+=	cam.c
 SRCS+=	cam_compat.c
-SRCS+=	cam_iosched.c cam_periph.c cam_queue.c cam_sim.c cam_xpt.c
-SRCS+=	scsi_all.c scsi_cd.c scsi_ch.c
+SRCS+=	cam_iosched.c
+SRCS+=	cam_periph.c
+SRCS+=	cam_queue.c
+SRCS+=	cam_sim.c
+SRCS+=	cam_xpt.c
+SRCS+=	nvme_all.c
+SRCS+=	nvme_da.c
+SRCS+=	nvme_util.c
+SRCS+=	nvme_xpt.c
+SRCS+=	scsi_all.c
+SRCS+=	scsi_cd.c
+SRCS+=	scsi_ch.c
 SRCS+=	scsi_da.c
+SRCS+=	scsi_enc.c
+SRCS+=	scsi_enc_safte.c
+SRCS+=	scsi_enc_ses.c
 SRCS+=	scsi_pass.c
 SRCS+=	scsi_pt.c
 SRCS+=	scsi_sa.c
-SRCS+=	scsi_enc.c
-SRCS+=	scsi_enc_ses.c
-SRCS+=	scsi_enc_safte.c
 SRCS+=	scsi_sg.c
-SRCS+=	scsi_targ_bh.c scsi_target.c
+SRCS+=	scsi_targ_bh.c
+SRCS+=	scsi_target.c
 SRCS+=	scsi_xpt.c
 SRCS+=	smp_all.c
-SRCS+=	ata_all.c
-SRCS+=	ata_xpt.c
-SRCS+=	ata_da.c
-SRCS+=	ata_pmp.c
-SRCS+=	nvme_all.c
-SRCS+=	nvme_xpt.c
-SRCS+=	nvme_da.c
-SRCS+=	nvme_util.c
 
 EXPORT_SYMS=	YES	# XXX evaluate