HID: Kconfig: drop remove Unicode non-breaking space from Kconfig

There is a UTF-8 non-breaking space character (0xc2 0xa0) after the "Y"
in "Say Y here". This is probably not intentional. Replace it with a
standard ASCII space (0x20).

If you can't see a difference here, I don't blame you :)

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>