basic-benchmark: portable Fedora benchmark kit

Headless + headed suites with power/thermal logging and efficiency reporting.
Includes PassMark, llama.cpp, app workloads (LibreOffice/GEGL/Inkscape/GIMP),
a GOVERNOR selector, compare-report.py, and captured results.

results/turbostat-load-desktop-before-1-headless.txt

@@ -0,0 +1,70 @@
+Core	CPU	Busy%	Bzy_MHz	PkgWatt
+-	-	99.99	4279	66.84
+0x0	0	99.98	4280	66.85
+0x0	6	100.00	4280
+0x1	1	100.00	4280
+0x1	7	100.00	4280
+0x2	2	100.00	4280
+0x2	8	100.00	4280
+0x3	3	99.97	4280
+0x3	9	100.00	4280
+0x4	4	99.95	4280
+0x4	10	99.99	4280
+0x5	5	100.00	4280
+0x5	11	100.00	4280
+Core	CPU	Busy%	Bzy_MHz	PkgWatt
+-	-	99.99	4291	66.57
+0x0	0	99.96	4290	66.55
+0x0	6	100.00	4290
+0x1	1	100.00	4290
+0x1	7	99.99	4290
+0x2	2	100.00	4290
+0x2	8	100.00	4290
+0x3	3	99.97	4290
+0x3	9	100.00	4290
+0x4	4	99.93	4290
+0x4	10	100.00	4290
+0x5	5	100.00	4290
+0x5	11	100.00	4290
+Core	CPU	Busy%	Bzy_MHz	PkgWatt
+-	-	99.99	4292	67.31
+0x0	0	99.99	4292	67.31
+0x0	6	100.00	4292
+0x1	1	100.00	4292
+0x1	7	100.00	4292
+0x2	2	100.00	4292
+0x2	8	100.00	4292
+0x3	3	100.00	4292
+0x3	9	100.00	4292
+0x4	4	99.95	4292
+0x4	10	99.98	4292
+0x5	5	100.00	4292
+0x5	11	100.00	4292
+Core	CPU	Busy%	Bzy_MHz	PkgWatt
+-	-	99.99	4292	67.33
+0x0	0	99.98	4292	67.33
+0x0	6	100.00	4292
+0x1	1	99.98	4292
+0x1	7	100.00	4292
+0x2	2	100.00	4292
+0x2	8	100.00	4292
+0x3	3	100.00	4292
+0x3	9	100.00	4292
+0x4	4	99.98	4292
+0x4	10	100.00	4292
+0x5	5	100.00	4292
+0x5	11	100.00	4292
+Core	CPU	Busy%	Bzy_MHz	PkgWatt
+-	-	99.99	4289	67.27
+0x0	0	99.97	4290	67.28
+0x0	6	100.00	4290
+0x1	1	100.00	4290
+0x1	7	100.00	4290
+0x2	2	100.00	4290
+0x2	8	100.00	4290
+0x3	3	100.00	4290
+0x3	9	100.00	4290
+0x4	4	99.95	4290
+0x4	10	100.00	4290
+0x5	5	100.00	4290
+0x5	11	100.00	4290