configs: evb-ast2500: Adjust boot command

Loading a kernel image is enough.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
diff --git a/configs/evb-ast2500_defconfig b/configs/evb-ast2500_defconfig
index 0e3eb66..86269ab 100644
--- a/configs/evb-ast2500_defconfig
+++ b/configs/evb-ast2500_defconfig
@@ -13,7 +13,7 @@
 CONFIG_USE_BOOTARGS=y
 CONFIG_BOOTARGS="console=ttyS4,115200n8 root=/dev/ram rw"
 CONFIG_USE_BOOTCOMMAND=y
-CONFIG_BOOTCOMMAND="bootm 20080000 20300000"
+CONFIG_BOOTCOMMAND="bootm 20080000"
 CONFIG_PRE_CONSOLE_BUFFER=y
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_HUSH_PARSER=y