arm: powerpc: Tidy up code style for cache 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/post/lib_powerpc/cpu.c b/post/lib_powerpc/cpu.c
index 109be38..6713039 100644
--- a/post/lib_powerpc/cpu.c
+++ b/post/lib_powerpc/cpu.c
@@ -57,12 +57,12 @@
 
 int cpu_post_test (int flags)
 {
-	int ic = icache_status ();
+	int ic = icache_status();
 	int ret = 0;
 
 	WATCHDOG_RESET();
 	if (ic)
-		icache_disable ();
+		icache_disable();
 
 	if (ret == 0)
 		ret = cpu_post_test_cmp ();
@@ -110,7 +110,7 @@
 	WATCHDOG_RESET();
 
 	if (ic)
-		icache_enable ();
+		icache_enable();
 
 	WATCHDOG_RESET();