Change in flashrom[master]: tests: add init_shutdown test for realtek_mst_i2c_spi

[Peter Marheine (Code Review)]

Attention is currently required from: Nico Huber, Edward O'Callaghan, Angel Pons, Anastasia Klimchuk.
Peter Marheine has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/56911 )

Change subject: tests: add init_shutdown test for realtek_mst_i2c_spi
......................................................................

Patch Set 4:

(3 comments)

File tests/init_shutdown.c:

https://review.coreboot.org/c/flashrom/+/56911/comment/93a07486_f21850a6 
PS3, Line 234: // Only access to I2C address 0x4a is expected
> Do we really have one line comments, I am not sure... […]

Changed.

https://review.coreboot.org/c/flashrom/+/56911/comment/a261708b_1c2aa5f5 
PS3, Line 252: else if (sz == 1 || sz == 2)
             : 		return sz;
             : 	else
             : 		return -1;
> Since you return, else if, and else is not needed

Done

https://review.coreboot.org/c/flashrom/+/56911/comment/be335d23_998bbfc3 
PS3, Line 267: io_mock_register(&realtek_mst_io);
             : 	run_lifecycle(state, &programmer_realtek_mst_i2c_spi, "bus=254,enter-isp=0");
             : 	io_mock_register(NULL);
> This is a small thing, but for consistency and readability, if you could add empty lines between io_ […]

Done