Replace __attribute references with __attribute__

__attribute__ follows gcc's documented syntax and is generally more
common than __attribute.  This change is only asthetic and should not
affect functionality.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/cpu/mpc5xxx/usb_ohci.h b/cpu/mpc5xxx/usb_ohci.h
index 884f1d5..6eedbdd 100644
--- a/cpu/mpc5xxx/usb_ohci.h
+++ b/cpu/mpc5xxx/usb_ohci.h
@@ -56,7 +56,7 @@
 
 	struct usb_device *usb_dev;
 	__u32 unused[3];
-} __attribute((aligned(16)));
+} __attribute__((aligned(16)));
 typedef struct ed ed_t;
 
 
@@ -113,7 +113,7 @@
 	__u32 data;
 
 	__u32 unused2[2];
-} __attribute((aligned(32)));
+} __attribute__((aligned(32)));
 typedef struct td td_t;
 
 #define OHCI_ED_SKIP	(1 << 14)
@@ -136,7 +136,7 @@
 #endif
 	__u32	done_head;		/* info returned for an interrupt */
 	u8		reserved_for_hc[116];
-} __attribute((aligned(256)));
+} __attribute__((aligned(256)));
 
 
 /*
@@ -178,7 +178,7 @@
 		__u32	status;
 		__u32	portstatus[MAX_ROOT_PORTS];
 	} roothub;
-} __attribute((aligned(32)));
+} __attribute__((aligned(32)));
 
 
 /* OHCI CONTROL AND STATUS REGISTER MASKS */