bsp/stm32：Separate STM32L0 HAL drivers #5922

Job	Run time
generate-matrix	5s
RTduino_Arduino Libraries (STM32F412 Nucleo)	5m 32s
stm32_f7_g0_h7_mp15_u5_h5_wb5	5m 40s
stm32f0_f1	3m 11s
stm32_f2_f4	11m 46s
RT-Thread Online Packages (STM32F407 RT-Spark)	5m 11s
llvm-arm	4m 4s
stm32l4	8m 9s
collect-artifacts	-1s
	43m 37s

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