Increased syslinux timeout to 5s as default 1s timeout
is not enough to notice syslinux prompt on some devices.
(From OE-Core rev: 165e153f81c5cbd9b7f2fe9a35405617cd94406d)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>