[S] Change in flashrom[master]: stlinkv3_spi: Bug fix, Initialize uninitialized pointers

[Shreeyash (Code Review)]

Attention is currently required from: Felix Singer, Thomas Heijligen, Angel Pons.

Shreeyash  has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/66225 )

Change subject: stlinkv3_spi: Bug fix, Initialize uninitialized pointers
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Patch Set 2:

(1 comment)

File stlinkv3_spi.c:

https://review.coreboot.org/c/flashrom/+/66225/comment/d03e1a99_8dbedb04 
PS1, Line 501: 		stlinkv3_handle = usb_dev_get_by_vid_pid_serial(usb_ctx,
> Hi Shreeyash, […]

First, thanks for taking the time to write such a detailed explanation of how the dev cycle works.

Second, Following my to-do list, I did 1,2 and edited stlinkv3_spi.c, to add a comment over the only change that this patch does. `git commit --amend` after  returns
```
fatal: You are in the middle of a cherry-pick -- cannot amend.
```
Again, How do I update a commit?

Also, apologies for such delays in replies (and any action), got caught up in university exams.