Revert "usb: host/sl811-hcd: fix sparse warning"

This reverts commit 1dc6120e.

Commit 1dc6120e results in the following error when compiling
x86_64:allyesconfig.

sl811_cs.c:(.text+0x1d3cb72): undefined reference to `sl811h_driver'

Fixes: 1dc6120e ("usb: host/sl811-hcd: fix sparse warning")
Cc: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/sl811-hcd.c

@@ -1801,7 +1801,7 @@ sl811h_resume(struct platform_device *dev)
 
 
 /* this driver is exported so sl811_cs can depend on it */
-static struct platform_driver sl811h_driver = {
+struct platform_driver sl811h_driver = {
 	.probe =	sl811h_probe,
 	.remove =	sl811h_remove,