switch CPU clock to 120 MHz

use GCLK11 to bring external crystal oscillator XOSC1 from 12 MHz
to 2MHz
use DPLL0 to multiply 2 MHz to 120 MHz.
the division is first needed because the DPLL0 maximum input
frequency is 3.2 MHz

Change-Id: I642e724ec56a376addf21cc58ecd2ef1b40bd116
5 files changed
tree: d7cc5d7a6cc2a324586517eb764e267a17d1581a
  1. ccid/
  2. contrib/
  3. sysmoOCTSIM/