Update comments in smartcard code #1513

Job	Run time
code formatting check	37s
cppcheck	3m 23s
min features with gcc	2m 30s
min features with g++	2m 53s
min features with clang	3m 18s
max features with gcc	3m 41s
max features with g++	3m 5s
max features with clang	5m 7s
max features with gcc and DEBUG	2m 20s
max features with gcc for 32-bit arch (legacy OS)	1m 53s
max features with g++ for 32-bit arch (legacy OS)	4m 23s
max features with clang for 32-bit arch (legacy OS)	4m 18s
	37m 28s

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