fix: fix MTCA-EVR-300u substitutions file #3

Job	Run time
7.0/ubuntu-20.04/gcc/default/	1m 33s
7.0/ubuntu-20.04/gcc/static/	1m 14s
3.15/ubuntu-20.04/gcc/default/	1m 27s
3.14/ubuntu-20.04/gcc/default/	2m 1s
7.0/ubuntu-20.04/gcc/static/CMD_CXXFLAGS=-std=c++11	1m 42s
7.0/ubuntu-20.04/clang/default/CMD_CXXFLAGS=-std=c++11	1m 31s
7.0/ubuntu-20.04/gcc/default4.10/	1m 57s
7.0/ubuntu-20.04/gcc/default4.9/	2m 6s
7.0/ubuntu-20.04/gcc-8/default/	1m 25s
7.0/ubuntu-20.04/clang/default/	1m 14s
7.0/ubuntu-latest/gcc/default/	1m 40s
	17m 50s

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