m68k: hp300 - Checkpatch cleanup

arch/m68k/hp300/time.h:2: WARNING: space prohibited between function name and open parenthesis '('
Signed-off-by: NAndrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>

arch/m68k/hp300/time.h

 extern void hp300_sched_init(irq_handler_t vector);
-extern unsigned long hp300_gettimeoffset (void);
-
-
+extern unsigned long hp300_gettimeoffset(void);