Change in flashrom[master]: ichspi: Add Jasper Lake support

[Sam McNally (Code Review)]

Attention is currently required from: Nico Huber, Edward O'Callaghan, Angel Pons.
Sam McNally has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/62282 )

Change subject: ichspi: Add Jasper Lake support
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Patch Set 6:

(3 comments)

File chipset_enable.c:

https://review.coreboot.org/c/flashrom/+/62282/comment/9e0475cf_50fcb86e 
PS6, Line 1013: jlk
Jasper lake is usually abbreviated as JSL.

File ich_descriptors.c:

https://review.coreboot.org/c/flashrom/+/62282/comment/0a138fe7_88417718 
PS6, Line 313: 	case CHIPSET_JASPER_LAKE:
From the SPI programming guide I've seen (v0.8), this should use freq_str[1].

File ichspi.c:

https://review.coreboot.org/c/flashrom/+/62282/comment/a3fabf29_72a2e0da 
PS6, Line 2063: 		msg_pdbg("Enabling hardware sequencing by default for Apollo/Gemini/Elkhart Lake.\n");
Update the message to include Jasper Lake.