CI: Fix Makefiles for parallel builds #2734

Job	Run time
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, no, no)	4m 32s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, no, libusb-1.0)	4m 51s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, no, libusb-0.1)	4m 59s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, nss, no)	4m 37s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, nss, libusb-1.0)	4m 51s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, nss, libusb-0.1)	5m 8s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, openssl, no)	4m 35s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, openssl, libusb-1.0)	4m 57s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, openssl, libusb-0.1)	4m 54s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, no, no)	4m 42s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, no, libusb-1.0)	4m 29s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, no, libusb-0.1)	5m 4s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, nss, no)	4m 49s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, nss, libusb-1.0)	5m 0s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, nss, libusb-0.1)	5m 7s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, openssl, no)	4m 46s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, openssl, libusb-1.0)	5m 10s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, openssl, libusb-0.1)	4m 55s
Analyze (python, ubuntu-latest, PYTHON=python3, no, no)	1m 14s
	1h 28m 40s

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