util: Add coreboot-configurator

A simple GUI to change settings in coreboot's CBFS, via the nvramtool utility.

Test on the StarBook Mk IV running coreboot 4.15 with:
* Ubuntu 20.04
* Ubuntu 21.10
* MX Linux 21
* elementary OS 6
* Manjaro 21

Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I491922bf55ed87c2339897099634a38f8d055876
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59256
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>

util/coreboot-configurator/meson.build

@@ -0,0 +1,12 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+project('coreboot-configurator',
+	'cpp',
+	version: '8',
+	license: ['GPL2', 'CC BY-SA 4.0'],
+	meson_version: '>= 0.53.0',
+	default_options: ['prefix=/usr',
+			  'cpp_std=c++14'],
+)
+
+subdir('src')