earlycon: drop semicolon from earlycon macro

Drop the trailing semicolon from the OF_EARLYCON_DECLARE() macro
definition which was left when removing the array-of-pointer
indirection.

Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20201207091601.5202-1-johan@kernel.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>