Add STM32F042K6Ux Variants #813

Job	Run time
Check CMake usage (NUCLEO_F091RC)	47s
Check CMake usage (NUCLEO_F103RB)	45s
Check CMake usage (NUCLEO_F207ZG)	45s
Check CMake usage (NUCLEO_F303RE)	44s
Check CMake usage (NUCLEO_F411RE)	44s
Check CMake usage (NUCLEO_F767ZI)	46s
Check CMake usage (NUCLEO_G0B1RE)	45s
Check CMake usage (NUCLEO_G474RE)	50s
Check CMake usage (NUCLEO_H563ZI)	50s
Check CMake usage (NUCLEO_H743ZI2)	51s
Check CMake usage (NUCLEO_L073RZ)	45s
Check CMake usage (NUCLEO_L152RE)	45s
Check CMake usage (NUCLEO_L476RG)	47s
Check CMake usage (NUCLEO_L552ZE_Q)	39s
Check CMake usage (NUCLEO_U083RC)	32s
Check CMake usage (NUCLEO_U575ZI_Q)	41s
Check CMake usage (P_NUCLEO_WB55RG)	35s
Check CMake usage (NUCLEO_WBA55CG)	35s
Check CMake usage (NUCLEO_WL55JC1)	32s
	13m 38s

Provide feedback