cpupowerutils: remove ccdv, use kernel quiet/verbose mechanism

Use the quiet/verbose mechanism found in kernel tools, without
relying on the special tool "ccdv"

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

diff --cc tools/power/cpupower/.gitignore
Simple merge

diff --cc tools/power/cpupower/Makefile
Simple merge

diff --cc tools/power/cpupower/bench/Makefile
Simple merge

diff --cc tools/power/cpupower/build/ccdv.c
Simple merge