linux-handhelds-2.6: Drop 2.6.21-hh6, add 2.6.21-hh10.

linux-handhelds-2.6: Drop 2.6.21-hh6, add 2.6.21-hh10.
* Changes since -hh9 are:
1. Defconfiman static defconfigs for eteng500, rx3000, rx1950.
2. Add jornada820 port.
3. ghi270 port elaboration.
4. Codebase cleanup from outdated files (soc-old.h, ipaq.h).
5. rx3000: Power management improvements.
6. mach-sa1100: Refactors to use Generic GPIO API; User per-device hardware
header files, like PXA ports.
7. ts-adc-debounce: Make number of Z samplings configurable, support mode
without debouncing.
8. h2200: Touchscreen should work really well now with latest ts-adc-debounce
changes.