[M] Change in flashrom[master]: flashrom_tester: Change string types to path types where appropriate

[Evan Benn (Code Review)]

Attention is currently required from: Evan Benn.

Hello build bot (Jenkins), Edward O'Callaghan,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/flashrom/+/69064

to look at the new patch set (#2).

Change subject: flashrom_tester: Change string types to path types where appropriate
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flashrom_tester: Change string types to path types where appropriate

string types were being used for paths to files. Change to Path and
PathBuf

BUG=b:243460685
BRANCH=None
TEST=/usr/bin/flashrom_tester --flashrom_binary /usr/sbin/flashrom host
TEST=/usr/bin/flashrom_tester --libflashrom host

Change-Id: I69531bec5436a60430eae975eeab02c8835962bf
Signed-off-by: Evan Benn 
---
M util/flashrom_tester/flashrom/src/cmd.rs
M util/flashrom_tester/flashrom/src/flashromlib.rs
M util/flashrom_tester/flashrom/src/lib.rs
M util/flashrom_tester/src/rand_util.rs
M util/flashrom_tester/src/tester.rs
M util/flashrom_tester/src/tests.rs
6 files changed, 97 insertions(+), 69 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/64/69064/2