TEST=the following scenarios run tests successfully
1) ch341a_spi is enabled
result: all tests run and pass, including ch341a
2) ch341a_spi is disabled
result: ch341a_spi test is skipped, the rest of tests run and pass
3) libusb isn't presented in the system
result: tests for usb programmers are skipped, the rest of tests run
normally
Change-Id: If28fbe09ad685082152aa3a7e8d5a150169aee9e
Signed-off-by: Alexander Goncharov <chat@joursoir.net>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/67664
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>