usb_modeswitch: bump to version 2.2.1

Also add hash file.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/usb_modeswitch/usb_modeswitch.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256	37d926a0b6b6d490173c57e260a69aca49feb774875fc8f2001c1d0f5e8011cb	usb-modeswitch-2.2.1.tar.bz2

package/usb_modeswitch/usb_modeswitch.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-USB_MODESWITCH_VERSION = 2.2.0
+USB_MODESWITCH_VERSION = 2.2.1
 USB_MODESWITCH_SOURCE = usb-modeswitch-$(USB_MODESWITCH_VERSION).tar.bz2
 USB_MODESWITCH_SITE = http://www.draisberghof.de/usb_modeswitch
 USB_MODESWITCH_DEPENDENCIES = libusb