cpu/stm32: changed TIM->CCR def in vendor headers

cpu/stm32f0/include/stm32f030x8.h

cpu/stm32f0/include/stm32f051x8.h

cpu/stm32f0/include/stm32f070xb.h

cpu/stm32f0/include/stm32f072xb.h

cpu/stm32f0/include/stm32f091xc.h

cpu/stm32f2/include/stm32f205xx.h

cpu/stm32f2/include/stm32f207xx.h

cpu/stm32f2/include/stm32f215xx.h

cpu/stm32f2/include/stm32f217xx.h

cpu/stm32f3/include/stm32f303xc.h

cpu/stm32f3/include/stm32f303xe.h

cpu/stm32f3/include/stm32f334x8.h

cpu/stm32f4/include/stm32f401xe.h

cpu/stm32f4/include/stm32f407xx.h

cpu/stm32f4/include/stm32f415xx.h

cpu/stm32f4/include/stm32f446xx.h

cpu/stm32l1/include/stm32l1xx.h