stm32: enable quadspi for f7/g4/l4

Seeing as we'd started it, might as well finish enabling all the common
platforms.

lib/stm32/f7/Makefile

@@ -63,6 +63,7 @@ OBJS += rng_common_v1.o
 OBJS += spi_common_all.o spi_common_v2.o
 OBJS += timer_common_all.o
 OBJS += usart_common_all.o usart_common_v2.o
+OBJS += quadspi_common_v1.o
 
 # Ethernet
 OBJS += mac.o phy.o mac_stm32fxx7.o phy_ksz80x1.o

lib/stm32/g4/Makefile

@@ -47,6 +47,7 @@ OBJS += pwr.o
 OBJS += rcc.o rcc_common_all.o
 OBJS += spi_common_all.o spi_common_v2.o
 OBJS += timer_common_all.o timer_common_f0234.o
+OBJS += quadspi_common_v1.o
 
 OBJS += usb.o usb_control.o usb_standard.o
 OBJS += usb_audio.o

lib/stm32/l4/Makefile

@@ -54,6 +54,7 @@ OBJS += rtc_common_l1f024.o
 OBJS += spi_common_all.o spi_common_v2.o
 OBJS += timer_common_all.o
 OBJS += usart_common_all.o usart_common_v2.o
+OBJS += quadspi_common_v1.o
 
 OBJS += usb.o usb_control.o usb_standard.o usb_msc.o
 OBJS += usb_hid.o