bsp-guide: Fixed MACHINE_EXTRA_RRECOMMENDS syntax in conf file example
Fixes [YOCTO #12628]
The syntax for MACHINE_EXTRA_RRECOMMENDS was off in the machine.conf
example. I have removed that leading space, which should not have
been there. This matches the actual file in poky now.
(From yocto-docs rev: 11e38c4c2b23f9a8ae9a0655a07af1a5682c24b8)
Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>