aopen/dxplplusu: Switch to 2MiB flash

Change-Id: Iedc15823dc24b3211fe7954cdf4302934a517afb
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/17919
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/mainboard/aopen/dxplplusu/Kconfig b/src/mainboard/aopen/dxplplusu/Kconfig
index b64ac1d..0823161 100644
--- a/src/mainboard/aopen/dxplplusu/Kconfig
+++ b/src/mainboard/aopen/dxplplusu/Kconfig
@@ -11,7 +11,7 @@
 #	select PIRQ_ROUTE
 	select UDELAY_TSC
 	select HAVE_ACPI_TABLES
-	select BOARD_ROMSIZE_KB_512
+	select BOARD_ROMSIZE_KB_2048
 #	select HW_SCRUBBER
 
 config MAINBOARD_DIR