This patch adds the clock_control implementation for the ARM LTD
Beetle platform.
The main features enabled are:
* Clock on and off in ACTIVE, SLEEP and DEEPSLEEP mode.
* PLL support (freq: 12, 36, 48 Mhz).
The integration with the existing drivers will be done in future
patches.
Jira: ZEP-1300
Change-Id: I07cb2325275bd86a036e8e24aeb7bbf2c6176a93
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@linaro.org>
