Use case insensitive compare for chip names

Change-Id: Ic63073149a33d5d0edae2fd450156867b9edf3bd
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: http://review.coreboot.org/11477
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@google.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
1 file changed