stm32f0: timers: input capture support rising/falling edges

This is common code for f0234, keep renaming files as has become standard, even
if it's a suboptimal solution.  This doesn't rename the header which was not
renamed for f3.

Reported-by: https://github.com/gtoonstra

lib/stm32/f3/Makefile

@@ -41,7 +41,7 @@ OBJS		= rcc.o adc.o i2c.o usart.o dma.o flash.o desig.o
 OBJS            += gpio_common_all.o gpio_common_f0234.o \
 		   dac_common_all.o crc_common_all.o \
 		   iwdg_common_all.o spi_common_all.o dma_common_l1f013.o\
-		   timer_common_all.o timer_common_f234.o flash_common_f234.o \
+		   timer_common_all.o timer_common_f0234.o flash_common_f234.o \
 		   flash.o exti_common_all.o rcc_common_all.o spi_common_f03.o
 OBJS		+= adc_common_v2.o adc_common_v2_multi.o
 OBJS		+= usart_common_v2.o usart_common_all.o