Install out of tree configs for Chrome OS builds of U-Boot.

sys-boot/chromeos-u-boot-next/chromeos-u-boot-next-9999.ebuild

Index: sys-boot/chromeos-u-boot-next/chromeos-u-boot-next-9999.ebuild
diff --git a/sys-boot/chromeos-u-boot-next/chromeos-u-boot-next-9999.ebuild b/sys-boot/chromeos-u-boot-next/chromeos-u-boot-next-9999.ebuild
index 880aafd964e7f07469597da5091a2cc8caeb97c1..670d3258cd5609f7b6c1e7fa6904426412ad7017 100644
--- a/sys-boot/chromeos-u-boot-next/chromeos-u-boot-next-9999.ebuild
+++ b/sys-boot/chromeos-u-boot-next/chromeos-u-boot-next-9999.ebuild
@@ -14,7 +14,8 @@ IUSE=""
 PROVIDE="virtual/u-boot"
 
 RDEPEND=""
-DEPEND="arm? ( >=chromeos-base/vboot_reference-firmware-0.0.1-r100 )
+DEPEND="chromeos-base/vboot_reference-firmware
+	chromeos-base/u-boot-config
 	!sys-boot/u-boot"
 
 CROS_WORKON_PROJECT="u-boot-next"
@@ -96,7 +97,8 @@ src_compile() {
 	    USE_PRIVATE_LIBGCC=yes \
 	    HOSTCC=${CC} \
 	    HOSTSTRIP=true \
-	    VBOOT="${ROOT}/usr" \
+	    VBOOT="${ROOT%/}/usr" \
+	    CROS_CONFIG_PATH="${ROOT%/}/u-boot" \
 	    all || die "U-Boot compile ${config} failed"
 	done
 }