kernel: ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS

A flaw was discovered in the Linux kernel’s AHCI driver subsystem.The driver allocated an array of 8 elements ahciempriv8, but under certain SATA Port Multiplier PMP configurations, the code in satapmpinitlinks could index up to SATAPMPMAXPORTS which may exceed 8, triggering a potential...