ARC: Fix coding style issues

Fixes the following coding style issues as detected by checkpatch:
ERROR: space required before the open parenthesis '('
ERROR: "foo * bar" should be "foo *bar"
WARNING: space prohibited between function name and open parenthesis '('
WARNING: please, no spaces at the start of a line

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

arch/arc/mm/extable.c

@@ -27,7 +27,7 @@ int fixup_exception(struct pt_regs *regs)
 
 #ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
 
-long arc_copy_from_user_noinline(void *to, const void __user * from,
+long arc_copy_from_user_noinline(void *to, const void __user *from,
 		unsigned long n)
 {
 	return __arc_copy_from_user(to, from, n);
@@ -48,7 +48,7 @@ unsigned long arc_clear_user_noinline(void __user *to,
 }
 EXPORT_SYMBOL(arc_clear_user_noinline);
 
-long arc_strncpy_from_user_noinline (char *dst, const char __user *src,
+long arc_strncpy_from_user_noinline(char *dst, const char __user *src,
 		long count)
 {
 	return __arc_strncpy_from_user(dst, src, count);