Add Intel Jasper Lake support

Loosely based on commit b01d7e9f (ichspi: Add Jasper Lake support)
on flashrom master.

Besides a little change in descriptor detection, no difference to
Cannon Point was found. Hence, add new PCI IDs as 300 series.

Change-Id: I9c715c1a5f1ceea32dc51669453d89b315ba8ca2
Signed-off-by: Nico Huber <nico.h@gmx.de>
diff --git a/chipset_enable.c b/chipset_enable.c
index 4683da4..182410a 100644
--- a/chipset_enable.c
+++ b/chipset_enable.c
@@ -2120,6 +2120,7 @@
 	{0x8086, 0x068d, B_S,    NT,  "Intel", "HM470",				enable_flash_pch300},
 	{0x8086, 0x068e, B_S,    NT,  "Intel", "WM490",				enable_flash_pch300},
 	{0x8086, 0x0697, B_S,    NT,  "Intel", "W480",				enable_flash_pch300},
+	{0x8086, 0x4da4, B_S,    NT,  "Intel", "Jasper Lake",			enable_flash_pch300},
 	{0x8086, 0x4384, B_S,    NT,  "Intel", "Q570",				enable_flash_pch500},
 	{0x8086, 0x4385, B_S,    NT,  "Intel", "Z590",				enable_flash_pch500},
 	{0x8086, 0x4386, B_S,    NT,  "Intel", "H570",				enable_flash_pch500},