arm: mvebu: Select SPL_DM_SEQ_ALIAS

Select SPL_DM_SEQ_ALIAS which is required for certain uclasses,
specifically SPI Flash.
Signed-off-by: NNathan Rossi <nathan@nathanrossi.com>
Reviewed-by: NStefan Roese <sr@denx.de>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Stefan Roese <sr@denx.de>
Acked-by: NStefan Roese <sr@denx.de>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

arch/arm/Kconfig

@@ -118,6 +118,7 @@ config ARCH_MVEBU
 	select OF_SEPARATE
 	select DM
 	select DM_SERIAL
+	select SPL_DM_SEQ_ALIAS
 
 config TARGET_DEVKIT3250
 	bool "Support devkit3250"