Upgrade U-Boot to latest version and drop upstreamed patches.
(From OE-Core rev: fd0a8923638217dfa0a61ee63f2013229429808c)
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Ross Burton <ross.burton@intel.com>
Cc: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>