aspeed: u-boot: Fix SDK booting on systems with lots of RAM

This patch is required to boot on the ast2600evb which has 2GB of RAM.

It has been submitted to aspeed for inclusion in their tree.

Change-Id: I5ebb0cae661fe57a2569d847e354a860143e201e
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/recipes-bsp/u-boot/u-boot-common-aspeed-sdk_2019.04.inc b/recipes-bsp/u-boot/u-boot-common-aspeed-sdk_2019.04.inc
index 91b0d00..bdcb7fb 100644
--- a/recipes-bsp/u-boot/u-boot-common-aspeed-sdk_2019.04.inc
+++ b/recipes-bsp/u-boot/u-boot-common-aspeed-sdk_2019.04.inc
@@ -12,6 +12,7 @@
 
 UBRANCH = "aspeed-master-v2019.04"
 SRC_URI = "git://github.com/AspeedTech-BMC/u-boot;branch=${UBRANCH};protocol=https"
+SRC_URI += "file://0001-aspeed-Limit-bootm-memory.patch"
 
 S = "${WORKDIR}/git"