manibuilder/anita: Install pkg-config

Change-Id: Ia8153f7f241dd5f34904a3ea23bbd30f1f980e55
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/70916
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/util/manibuilder/Dockerfile.anita b/util/manibuilder/Dockerfile.anita
index 2624d6c..21e168e 100644
--- a/util/manibuilder/Dockerfile.anita
+++ b/util/manibuilder/Dockerfile.anita
@@ -30,7 +30,8 @@
 "echo 'dhcpcd'                                   >init && \
  echo 'export PKG_PATH=${PKG_PATH}'             >>init && \
  . ./init && \
- pkg_add gmake git-base ccache pciutils libusb1 libusb-compat libftdi \
+ pkg_add gmake git-base ccache pkg-config \
+         pciutils libusb1 libusb-compat libftdi \
          ${EXTRA_PKG} && \
  git config --global --add http.sslVerify false && \
  git clone ${ORIGIN} flashrom" \