remove stuff superseed by different solutions
clk: divider: add CLK_DIVIDER_READ_ONLY flag
use the actual divider register-values

The previous values where wrong, as they did denote the divider value which
then got translated to the register value
add aclk_core table and some GPL headers
cpuclk cleanups
remote old pll try, which now is handled by clk-pll.c