Typos in zello_sysman.cpp

[eero-t]

$ git grep avalialbe
level_zero/tools/test/black_box_tests/zello_sysman.cpp:        return "NOT SUPPORTED MODE Engine avalialbe";
level_zero/tools/test/black_box_tests/zello_sysman.cpp:        return "NOT SUPPORTED MODE Engine avalialbe";
level_zero/tools/test/black_box_tests/zello_sysman.cpp:        return "NOT SUPPORTED MODE Engine avalialbe";

Bugs:

• avalialbe -> available
• None of these error messages are for engine modes, they are for:
  • engine flag types
  • temperature sensor types
  • engine group types