u-boot: add common inc file

SRCREV, SRC_URI, UBRANCH, etc. were duplicated across 3 recipes
so move them to a common include file.

Change-Id: I2a5e8e26b7d1aca3a2da285023812b555fe38407
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/common/recipes-bsp/u-boot/u-boot.inc b/common/recipes-bsp/u-boot/u-boot.inc
new file mode 100644
index 0000000..4c5e302
--- /dev/null
+++ b/common/recipes-bsp/u-boot/u-boot.inc
@@ -0,0 +1,7 @@
+LIC_FILES_CHKSUM = "file://Licenses/README;md5=a2c678cfd4a4d97135585cad908541c6"
+
+SRCREV = "a5e0a21ed4b62ab4d8ff09f70b751db0f46ddaac"
+UBRANCH = "v2016.07-aspeed-openbmc"
+SRC_URI = "git://git@github.com/openbmc/u-boot.git;branch=${UBRANCH};protocol=https"
+
+PV = "v2016.07+git${SRCPV}"