[U-Boot] most efficient way to submit patches that are typo/grammar fixes?

given my pedantic nature, i've run across the occasional spelling mistake or grammar glitch and want to know the best way to submit a patch (or patches) for that. naturally, this stuff is scattered across the u-boot tree, so is it better to try to submit a separate patch per subsystem, or just one big one?

most of this stuff is in comments so it doesn't represent any functional change and therefore shouldn't hurt anything ... stuff like spellings of "environent" or "volitle", stuff like that.

best way to do this? thanks.

rday