DPLL_CORE_M6_OPP100_RATE should be 266666666

Change-Id: Ia93c111a588255705536f30481487a77696a62e9
arm: mach-omap2: add 230MHz as cpu slot freq

Signed-off-by: Humberto Borba <humberos@gmail.com>
Merge branch 'experimental' into cm-10.1