kernel: fix usb-ohci-pci description define

Copy paste error left defining usb2-pci again.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 45816

package/kernel/linux/modules/usb.mk

@@ -334,7 +334,7 @@ define KernelPackage/usb-ohci-pci
   $(call AddDepends/usb)
 endef
 
-define KernelPackage/usb2-pci/description
+define KernelPackage/usb-ohci-pci/description
  Kernel support for PCI OHCI controllers
 endef