[U-Boot] [PATCH 4/4 v2] Makefile: Correct logic for DM_SCSI + unconverted drivers check

[Stefan Roese <sr@denx.de>]

When checking for boards that are enabling a SATA driver that isn't
converted to DM yet we need to be sure to not also trip over boards that
do set CONFIG_AHCI & CONFIG_BLK by itself, as that is not a bug.

This was detected when converting the Armada XP SATA driver sata_mv.c
to DM with AHCI & BLK support. This warning is still printed without
this patch applied here.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
---
v2:
- Rework checks as suggested by Tom

 Makefile | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index 26db4e7b59..4f73d426af 100644
--- a/Makefile
+++ b/Makefile
@@ -938,11 +938,22 @@ ifneq ($(CONFIG_DM_USB)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy)
 	@echo >&2 "===================================================="
 endif
 endif
-ifeq ($(CONFIG_LIBATA)$(CONFIG_MVSATA_IDE),y)
-ifneq ($(CONFIG_DM_SCSI),y)
+ifeq ($(CONFIG_MVSATA_IDE),y)
 	@echo >&2 "===================== WARNING ======================"
-	@echo >&2 "This board does not use CONFIG_DM_SCSI. Please update"
-	@echo >&2 "the storage controller to use CONFIG_DM_SCSI before the v2019.07 release."
+	@echo >&2 "This board does use CONFIG_MVSATA_IDE which is not"
+	@echo >&2 "ported to driver-model (DM) yet. Please update the storage"
+	@echo >&2 "controller driver to use CONFIG_AHCI before the v2019.07"
+	@echo >&2 "release."
+	@echo >&2 "Failure to update by the deadline may result in board removal."
+	@echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
+	@echo >&2 "===================================================="
+endif
+ifeq ($(CONFIG_LIBATA),y)
+ifneq ($(CONFIG_AHCI),y)
+	@echo >&2 "===================== WARNING ======================"
+	@echo >&2 "This board does use CONFIG_LIBATA but has CONFIG_AHCI not"
+	@echo >&2 "enabled. Please update the storage controller driver to use"
+	@echo >&2 "CONFIG_AHCI before the v2019.07 release."
 	@echo >&2 "Failure to update by the deadline may result in board removal."
 	@echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
 	@echo >&2 "===================================================="
-- 
2.21.0