soc/intel/elkhartlake: Fix PCR ID for eSPI

According to the Datasheet Volume 1 (doc #636112, [1]) the PCR port ID
for eSPI is 0x72 (see chapter 25.2.2). Fix it in the header file.

[1]: https://cdrdv2.intel.com/v1/dl/getContent/636112?explicitVersion=true

Test=Read and modify PCR registers of eSPI controller.

Change-Id: I5b07ef0f3a285f981791b1f4b4cdbda98ccf05ad
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61841
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/elkhartlake/include/soc/pcr_ids.h

@@ -25,7 +25,7 @@
 #define PID_PSF4	0xbd
 #define PID_RTC		0xc3
 #define PID_ITSS	0xc4
-#define PID_ESPI	0xc7
+#define PID_ESPI	0x72
 #define PID_SERIALIO	0xcb
 
 #endif