u-boot: Upgrade to 2019.01 release

This upgrades the U-Boot to latest 2019.01 release.

(From OE-Core rev: fc5895a41f1e903d86f726821dadfeeba4145585)

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Richard Purdie <richard.purdie@linuxfoundation.org>
Cc: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-bsp/u-boot/u-boot-common.inc

@@ -8,7 +8,7 @@ PE = "1"
 
 # We use the revision in order to avoid having to fetch it from the
 # repo during parse
-SRCREV = "0157013f4a4945bbdb70bb4d98d680e0845fd784"
+SRCREV = "d3689267f92c5956e09cc7d1baa4700141662bff"
 
 SRC_URI = "git://git.denx.de/u-boot.git"