umass(4) regression in 9.0-RC1.

Hi.

My SDHC card (via adapter) is no longer being detected after upgrade to
9.0-RC1. The same card with this adapter works on my laptop with older
HEAD.

	usbus0: EHCI version 1.0
	usbus0: <NVIDIA nForce MCP55 USB 2.0 controller> on ehci0
	usbus0: 480Mbps High Speed USB v2.0
	ugen0.1: <nVidia> at usbus0
	uhub0: <nVidia EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus0
	uhub0: 10 ports with 10 removable, self powered

	# usbdevs -v
	usbdevs: no USB controllers found

	ehci0_at_pci0:0:10:1:      class=0x0c0320 card=0x81fb1043 chip=0x036d10de rev=0xa2 hdr=0x00
	    vendor     = 'nVidia Corporation'
	    device     = 'MCP55 USB Controller'
	    class      = serial bus
	    subclass   = USB

After connecting the adapter with the card inside:

	kernel: ugen0.2: <Generic> at usbus0

-- 
Pawel Jakub Dawidek                       http://www.wheelsystems.com
FreeBSD committer                         http://www.FreeBSD.org
Am I Evil? Yes, I Am!                     http://yomoli.com