linux-handhelds-2.6: Drop 2.6.20-hh2. Add 2.6.20-hh4.

* Changes since 2.6.20-hh3:
1. htcathena port added.
2. Generic Device GPIO API (aka gpiodev) committed, based on virtual device
methods pattern.
3. rs232_serial - generic driver for GPIO-controlled RS232 transceiver on
serial port.
4. hx4700_serial, h4000_serial: Superceded by rs232_serial, removed. Last
release available is 2.6.20-hh3.
5. pxa2xx-udc-gpio - generic driver to control UDC on PXA-based machine
using Device GPIOs.
6. h4000: Added separate mach_type for h4300, to solve (rather move out of
kernel) issues with h4300 keyboard support. Now, h43000_kbd can be safely
built into the kernel - it will load only for MACH_H4300.
7. h4000: codebase cleanup.
8. ds2760_battery: remove APM code, realy on apm_power to do APM reporting.
9. h5000: Added ASoC support, ak4535 ASoC codec fixed.

diff --git a/packages/linux/linux-handhelds-2.6_2.6.20-hh2.bb b/packages/linux/linux-handhelds-2.6_2.6.20-hh4.bb
similarity index 100%
rename from packages/linux/linux-handhelds-2.6_2.6.20-hh2.bb
rename to packages/linux/linux-handhelds-2.6_2.6.20-hh4.bb