Change in flashrom[master]: Makefile: Make pkg-config mandatory to find libftdi1

[Thomas Heijligen (Code Review)]

Attention is currently required from: Nico Huber.
Hello build bot (Jenkins), Nico Huber, Angel Pons,

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

https://review.coreboot.org/c/flashrom/+/58623

to look at the new patch set (#8).

Change subject: Makefile: Make pkg-config mandatory to find libftdi1
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Makefile: Make pkg-config mandatory to find libftdi1

Use `make HAS_LIBFTDI1=yes/no` to override the pkg-config detection and
`CONFIG_LIBFTDI1_CFLAGS` and `CONFIG_LIBFTDI1_LDFLAGS` to set cflags and
ldflags manually.

Change-Id: I41f5186d9f3e063c12c8c6eea888d0b0bf534259
Signed-off-by: Thomas Heijligen 
---
M Makefile
A Makefile.d/ft232h_test.c
M Makefile.include
3 files changed, 54 insertions(+), 56 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/23/58623/8