Fix the following coccicheck warning:

./arch/m68k/include/asm/sun3xflop.h:109:2-3: Unneeded semicolon
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Link: https://lore.kernel.org/r/20210415031450.23379-1-wanjiabing@vivo.comSigned-off-by: Geert Uytterhoeven <geert@linux-m68k.org>