inteltool: Add dumping of full PCR ports

SoCs from Skylake on have many settings as so called private con-
figuration registers (PCRs). These are organized as 256 ports with
a 64KiB space each. We use the Primary to Sideband (P2SB) bridge's
BAR to access them.

Change-Id: Iede4ac601355e2be377bc986d62d20098980ec35
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/19593
Reviewed-by: Youness Alaoui <snifikino@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

util/inteltool/pcr.h

@@ -24,6 +24,8 @@
 
 uint32_t read_pcr32(uint8_t port, uint16_t offset);
 
+void print_pcr_ports(struct pci_dev *sb, const uint8_t *ports, size_t count);
+
 void pcr_init(struct pci_dev *sb);
 void pcr_cleanup(void);