USB: core: correct spelling mistakes in comments and warning

Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 52a97ad..1236c60 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -837,7 +837,7 @@
 	device_remove_bin_file(dev, &dev_bin_attr_descriptors);
 }
 
-/* Interface Accociation Descriptor fields */
+/* Interface Association Descriptor fields */
 #define usb_intf_assoc_attr(field, format_string)			\
 static ssize_t								\
 iad_##field##_show(struct device *dev, struct device_attribute *attr,	\