stm32l0: consistent makefile.

sorted and styled per the rest of the project

lib/stm32/l0/Makefile

@@ -34,22 +34,22 @@ TGT_CFLAGS	+= $(STANDARD_FLAGS)
 
 ARFLAGS		= rcs
 
-OBJS		= rcc.o desig.o
-OBJS		+= pwr_common_v1.o pwr_common_v2.o
-OBJS		+= timer_common_all.o
-OBJS		+= spi_common_all.o spi_common_v1.o spi_common_v1_frf.o
-
-OBJS            += gpio_common_all.o gpio_common_f0234.o rcc_common_all.o
 OBJS += adc_common_v2.o
 OBJS += crs_common_all.o
+OBJS += desig.o
 OBJS += dma_common_l1f013.o dma_common_csel.o
 OBJS += exti_common_all.o
 OBJS += flash_common_all.o flash_common_l01.o
+OBJS += gpio_common_all.o gpio_common_f0234.o
 OBJS += i2c_common_v2.o
-OBJS		+= rng_common_v1.o
-OBJS		+= usart_common_all.o usart_common_v2.o
 OBJS += iwdg_common_all.o
+OBJS += pwr_common_v1.o pwr_common_v2.o
+OBJS += rcc.o rcc_common_all.o
+OBJS += rng_common_v1.o
 OBJS += rtc_common_l1f024.o
+OBJS += spi_common_all.o spi_common_v1.o spi_common_v1_frf.o
+OBJS += timer_common_all.o
+OBJS += usart_common_all.o usart_common_v2.o
 
 OBJS += usb.o usb_control.o usb_standard.o usb_msc.o
 OBJS += st_usbfs_core.o st_usbfs_v2.o