GFX: Relegate some logs to LOG_DEVEL (#2939) #1767

Job	Run time
code formatting check	18s
cppcheck	18m 8s
min features with gcc	2m 31s
min features with g++	2m 33s
min features with clang	2m 17s
max features with gcc	4m 2s
max features with g++	2m 22s
max features with clang	3m 15s
max features with gcc and DEBUG	1m 55s
max features with gcc for 32-bit arch (legacy OS)	2m 47s
max features with g++ for 32-bit arch (legacy OS)	2m 2s
max features with clang for 32-bit arch (legacy OS)	1m 51s
	44m 1s

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