Fix of spelling in arch/sparc/kernel/leon_kernel.c no longer needed

This is a partial revert of commit 3ad2f3fb ("tree-wide: Assorted
spelling fixes") as the change in arch/sparc/kernel/leon_kernel.c has
been already fixed while refactoring the file in the sparc tree.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

arch/sparc/kernel/leon_kernel.c

@@ -124,7 +124,7 @@ void __init leon_init_timers(irq_handler_t counter_fn)
 
 		if (!(LEON3_BYPASS_LOAD_PA(&leon3_gptimer_regs->config) &
 		      (1<<LEON3_GPTIMER_SEPIRQ))) {
-			prom_printf("irq timer not configured with separate irqs \n");
+			prom_printf("irq timer not configured with seperate irqs \n");
 			BUG();
 		}