tools/power/x86/intel-speed-select: Display error on turbo mode disabled

For Intel SST turbo-freq feature to be enabled, the turbo mode on the
platform must be enabled also. If turbo mode is disabled, display error
while enabling turbo-freq feature.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20220510023421.3930540-1-srinivas.pandruvada@linux.intel.com


Signed-off-by: Hans de Goede <hdegoede@redhat.com>