arm: mvebu: Select SPL_DM_SEQ_ALIAS

Select SPL_DM_SEQ_ALIAS which is required for certain uclasses,
specifically SPI Flash.

Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Stefan Roese <sr@denx.de>
Acked-by: Stefan Roese <sr@denx.de>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9bd6cf1..52b300d 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -118,6 +118,7 @@
 	select OF_SEPARATE
 	select DM
 	select DM_SERIAL
+	select SPL_DM_SEQ_ALIAS
 
 config TARGET_DEVKIT3250
 	bool "Support devkit3250"