ata_piix: Add device ID for ICH4-L

ICH4-L is a variant of ICH4 lacking USB2 functionality and with some
different device IDs.

It is documented in Intel specification update 290745-025, currently
at <>, and is
included in the device ID table for piix.

Signed-off-by: Ben Hutchings <>
Signed-off-by: Jeff Garzik <>
1 file changed