[coreboot] [PATCH] More i82801dx_lpc fixups again

[Joseph Smith]

Ok, lets try this again.
More fixups for i82801dx_lpc.c code including, fixing 
i82801dx_power_options() so CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL 
works, and rewrite HPET code so it is more along the lines of how the 
Linux Kernel does it. Build and boot tested.

Signed-off-by: Joseph Smith