u-boot: ubi: Apply patches on Aspeed only

All the UBI patches will only work against the Aspeed u-boot tree.
Use the new Aspeed override to prevent attempting to install patches
when a different tree is in use.

Tested: Built image and verified in witherspoon qemu
Change-Id: Ia82ae958927a561670257f1c60d9d29a8b303728
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-phosphor/common/recipes-bsp/u-boot/u-boot_2016.07.bb b/meta-phosphor/common/recipes-bsp/u-boot/u-boot_2016.07.bb
index 0360f23..81da3c7 100644
--- a/meta-phosphor/common/recipes-bsp/u-boot/u-boot_2016.07.bb
+++ b/meta-phosphor/common/recipes-bsp/u-boot/u-boot_2016.07.bb
@@ -1,5 +1,5 @@
 require recipes-bsp/u-boot/u-boot.inc
 require u-boot-common.inc
-require u-boot-ubi.inc
+require u-boot-phosphor.inc
 
 DEPENDS += "dtc-native"