x86/platform/intel-mid: Remove unused leftovers (msic_ocd)

It seems msic_ocd driver was never upstreamed.

Why should we have dead code in the kernel?

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>