Merge https://source.denx.de/u-boot/custodians/u-boot-marvell

- kirkwood: Pogo v4: Enable LTO (Tony)
diff --git a/configs/pogo_v4_defconfig b/configs/pogo_v4_defconfig
index cbbade3..fd62146 100644
--- a/configs/pogo_v4_defconfig
+++ b/configs/pogo_v4_defconfig
@@ -15,6 +15,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="kirkwood-pogoplug-series-4"
 CONFIG_IDENT_STRING="\nPogoplug V4"
 CONFIG_SYS_LOAD_ADDR=0x800000
+CONFIG_LTO=y
 CONFIG_PCI=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_BOOTSTAGE=y