Change in flashrom[master]: tests: Add and include headers with function prototypes

[Anastasia Klimchuk (Code Review)]

Attention is currently required from: Edward O'Callaghan, Angel Pons, Anastasia Klimchuk.
Hello build bot (Jenkins), Thomas Heijligen, Edward O'Callaghan, Angel Pons,

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

https://review.coreboot.org/c/flashrom/+/63489

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

Change subject: tests: Add and include headers with function prototypes
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tests: Add and include headers with function prototypes

Part 2 of fixing -Wmissing-prototypes warnings. This patch adds
headers with function prototypes and includes the headers into
source files. This fixes the warnings like this:

warning: no previous prototype for ‘function_name’
[-Wmissing-prototypes]

This patch is needed to sync compiler warning options between meson
and makefile.

TEST=running the following produces no warnings:
meson setup --wipe (to clean build directory)
ninja test

Change-Id: Ia1ff22deb2354569f277649c6575ef2d5ffbb6e0
Signed-off-by: Anastasia Klimchuk 
---
M tests/chip.c
M tests/flashrom.c
M tests/helpers.c
M tests/layout.c
M tests/libusb_wraps.c
A tests/libusb_wraps.h
M tests/lifecycle.c
M tests/spi25.c
M tests/tests.c
A tests/wraps.h
10 files changed, 126 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/89/63489/2