bug fix intel bdw: package c-state support

Removed Package C7 and Core C7 support for BDW-M since it is not
a supported feature on this platform.

Signed-off-by: alexandra.yates@linux.intel.com <alex@otcpl44.jf.intel.com>
powertop: fix various resource leaks

fixes various resource leaks detected by valgrind and coverity scan.

move pclose(file) in the scope of "out" label.

Signed-off-by: Mohammad Merajul Islam Molla <meraj.enigma@gmail.com>
powertop: remove temporary file

powertop creates temporary file in /tmp directory during calibration. Simply
closing the file does not remove it. Using unlink(), instead of close() to
remove temporary file.

Signed-off-by: Mohammad Merajul Islam Molla <meraj.enigma@gmail.com>