clk: bcm2835: added missing clock register definitions

Added missing CTRL and DIV clock register definitions for:
PCM, SLIM, TCNT, TEC, TD0, TD1

Register information taken from:
https://rawgit.com/msperl/rpi-registers/master/rpi-registers.html#CM
which extracted the information from the header files shared by
Broadcom/rpi foundation in this file:
http://www.broadcom.com/docs/support/videocore/Brcm_Android_ICS_Graphics_Stack.tar.gz



Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>