[riot-notifications] [RIOT-OS/RIOT] cpu/sam0_common: SPI: add support for QSPI in SPI mode (#15361)

[benpicco]

this will produce a slightly larger binary:

#### before

```
   text	   data	    bss	    dec	    hex	filename
  25796	    136	   3816	  29748	   7434	/home/benpicco/dev/RIOT/tests/periph_spi/bin/same54-xpro/tests_periph_spi.elf
```

#### split out

```
   text	   data	    bss	    dec	    hex	filename
  25436	    136	   3816	  29388	   72cc	/home/benpicco/dev/RIOT/tests/periph_spi/bin/same54-xpro/tests_periph_spi.elf
```

+360 byte text

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/RIOT-OS/RIOT/pull/15361#issuecomment-733975329
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.riot-os.org/pipermail/notifications/attachments/20201125/dc4df5ff/attachment-0001.htm>