IT87: Add ability to select between chips on GIGABYTE DualBIOS boards

Thanks to Vadim Girlin for finding out how to do that.
This is known to work on GA-MA770-UD3, GA-B75M-D3V, GA-B75N and
GA-H61M-S1 (only M_BIOS is populated).

Corresponding to flashrom svn r1720.

Signed-off-by: Vadim Girlin <>
Signed-off-by: Damien Zammit <>
Signed-off-by: Stefan Tauner <>
Tested-by: Damien Zammit <>
Tested-by: Anton Kochkov <>
Acked-by: Stefan Tauner <>
3 files changed