device-drivers: acpi: add new test for acpi-cpufreq driver

The test checks support for disabling dynamic overclocking
in acpi_cpufreq driver.
Linux commit: 615b7300717b9ad5c23d1f391843484fe30f6c12.
It was implemented in Linux 3.7.

Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>