Some kernels may show in incorrect value for base frequency in
sysfs (e.g. 15 GHz). This throws off the SST-BF algorithm for
high and low priority cores. So if base_frequency is greater
than max turbo frequency, ignore, and handle it as a normal
core.
Known Kernel version with issue: Linux 5.8.7
Signed-off-by: David Hunt <david.hunt@intel.com>