rockchip: rk3568-nanopi-r5: Disable SPL_DM_WARN Kconfig option

With the commit 6afdb1585112 ("dm: core: migrate debug() messages to use
dm_warn") use of DM_WARN/SPL_DM_WARN print a lot of debug messages.

Disable the SPL_DM_WARN Kconfig option to remove verbose logging and
restore normal serial console output during boot.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/configs/nanopi-r5c-rk3568_defconfig b/configs/nanopi-r5c-rk3568_defconfig
index 4a6c320..8e30093 100644
--- a/configs/nanopi-r5c-rk3568_defconfig
+++ b/configs/nanopi-r5c-rk3568_defconfig
@@ -35,7 +35,6 @@
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_LIVE=y
 CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
-CONFIG_SPL_DM_WARN=y
 CONFIG_SPL_DM_SEQ_ALIAS=y
 CONFIG_SPL_REGMAP=y
 CONFIG_SPL_SYSCON=y
diff --git a/configs/nanopi-r5s-rk3568_defconfig b/configs/nanopi-r5s-rk3568_defconfig
index 7ab12e6..e1865b2 100644
--- a/configs/nanopi-r5s-rk3568_defconfig
+++ b/configs/nanopi-r5s-rk3568_defconfig
@@ -35,7 +35,6 @@
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_LIVE=y
 CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
-CONFIG_SPL_DM_WARN=y
 CONFIG_SPL_DM_SEQ_ALIAS=y
 CONFIG_SPL_REGMAP=y
 CONFIG_SPL_SYSCON=y