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

[trini: Migrate CONFIG_EXYNOS7420 as part of merging, so espresso7420
still builds]

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/samsung/espresso7420/Kconfig b/board/samsung/espresso7420/Kconfig
index 62251c5..6a088a2 100644
--- a/board/samsung/espresso7420/Kconfig
+++ b/board/samsung/espresso7420/Kconfig
@@ -1,5 +1,8 @@
 if TARGET_ESPRESSO7420
 
+config EXYNOS7420
+	def_bool y
+
 config SYS_BOARD
 	default "espresso7420"
 	help