[ARM] 4652/1: pxa: fix a typo of pxa27x usb host clk definition

CKEN_USBHOST should be used instead of CKEN_USB for usb host

Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
1 file changed