MdeModulePkg: Increase the maximum number of PEI performance log entries
    
    The maximum number of PEI performance log entries is 255.
    Add a new PCD, PcdMaxPeiPerformanceLogEntries16, to increase the maximum
    number of PEI performance log entries.
    
    Contributed-under: TianoCore Contribution Agreement 1.0
    Signed-off-by: Cinnamon Shia <cinnamon.shia@hpe.com>
    Reviewed-by: Samer EL-Haj-Mahmoud <elhaj@hpe.com>
    Reviewed-by: Joseph Shifflett <joseph.shifflett@hpe.com>
    Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>
    Reviewed-by: Star Zeng <star.zeng@intel.com>