doc/feature-removal-schedule.txt: Add CONFIG_SYS_(CLOCKS|PADS)_ENABLE_ALL

We shall remove these OMAP4/5-specific options in v2013.07, barring
insufficient progress on the kernel side.

Cc: Sricharan R <r.sricharan@ti.com>
Signed-off-by: Tom Rini <trini@ti.com>