fix ehci types

Reference: /n/atom/patch/applied/usbehciomap
Date: Tue Apr 15 21:32:09 CES 2014
Signed-off-by: quanstro@quanstro.net

--- /sys/src/9/omap/usbehci.h	Tue Apr 15 21:32:09 2014
+++ /sys/src/9/omap/usbehci.h	Tue Apr 15 21:32:09 2014
@@ -40,7 +40,7 @@
 	Eopio*	opio;		/* Operational i/o regs */
 
 	int	nframes;	/* 1024, 512, or 256 frames in the list */
-	ulong*	frames;		/* periodic frame list (hw) */
+	u32int*	frames;		/* periodic frame list (hw) */
 	Qh*	qhs;		/* async Qh circular list for bulk/ctl */
 	Qtree*	tree;		/* tree of Qhs for the periodic list */
 	int	ntree;		/* number of dummy qhs in tree */