dm: scsi: Add a migration deadline for scsi

Very few boards remain to be migrated:

   am57xx_hs_evm_usb
   controlcenterdc
   highbank
   ls1021atsn_qspi
   ls1021atsn_sdcard
   ls1021atwr_sdcard_ifc_SECURE_BOOT
   ls1046ardb_sdcard_SECURE_BOOT
   ls1088ardb_sdcard_qspi_SECURE_BOOT
   omap5_uevm
   pg_wcom_expu1
   pg_wcom_seli8
   sandbox
   sandbox64
   sandbox_flattree
   sandbox_noinst
   sandbox_spl
   tools-only

Addd a migration deadline for a year out.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/Makefile b/Makefile
index a69cc08..1ee7089 100644
--- a/Makefile
+++ b/Makefile
@@ -1134,6 +1134,7 @@
 	@# is enable to tell 'deprecated' that one of these symbols exists
 	$(call deprecated,CONFIG_TIMER,Timer drivers,v2023.01,$(if $(strip $(CONFIG_SYS_TIMER_RATE)$(CONFIG_SYS_TIMER_COUNTER)),x))
 	$(call deprecated,CONFIG_DM_SERIAL,Serial drivers,v2023.04,$(CONFIG_SERIAL))
+	$(call deprecated,CONFIG_DM_SCSI,SCSI drivers,v2023.04,$(CONFIG_SCSI))
 	@# Check that this build does not use CONFIG options that we do not
 	@# know about unless they are in Kconfig. All the existing CONFIG
 	@# options are whitelisted, so new ones should not be added.