As of oe-core c996cabf the default BusyBox configuration supports
PARTUUID, so update the note to reflect this.
(From yocto-docs rev: cfd0498c6a981bcdc4b6bd03cb5f8dd42f0b39fc)
Signed-off-by: Ross Burton <ross.burton@arm.com>
Reviewed-by: Quentin Schulz <foss@0leil.net>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>