arm: powerpc: Tidy up code style for interrupt functions

Remove the unwanted space before the bracket.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/m68k/lib/interrupts.c b/arch/m68k/lib/interrupts.c
index 2d1c613..85ae3b4 100644
--- a/arch/m68k/lib/interrupts.c
+++ b/arch/m68k/lib/interrupts.c
@@ -42,7 +42,7 @@
 /*
  * Install and free an interrupt handler
  */
-void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg)
+void irq_install_handler(int vec, interrupt_handler_t * handler, void *arg)
 {
 	if ((vec < 0) || (vec >= NR_IRQS)) {
 		printf ("irq_install_handler: wrong interrupt vector %d\n",
@@ -54,7 +54,7 @@
 	irq_vecs[vec].arg = arg;
 }
 
-void irq_free_handler (int vec)
+void irq_free_handler(int vec)
 {
 	if ((vec < 0) || (vec >= NR_IRQS)) {
 		return;
@@ -64,7 +64,7 @@
 	irq_vecs[vec].arg = NULL;
 }
 
-void enable_interrupts (void)
+void enable_interrupts(void)
 {
 	unsigned short sr;
 
@@ -72,7 +72,7 @@
 	set_sr (sr & ~0x0700);
 }
 
-int disable_interrupts (void)
+int disable_interrupts(void)
 {
 	unsigned short sr;