meta-raspberrypi: subtree update:17b56ab075..8dc3a31088

Andrei Gherzan (1):
      rpi-cmdline: Make rootfstype easier to customize

Martin Jansa (1):
      python3-adafruit-*: fix branch parameter

Omer Akram (1):
      Update raspberrypi firmware to 20210527

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: I04fd1914fc163c98595bd66483db61e7710be7b0
diff --git a/meta-raspberrypi/recipes-devtools/python/python3-adafruit-circuitpython-busdevice_5.0.5.bb b/meta-raspberrypi/recipes-devtools/python/python3-adafruit-circuitpython-busdevice_5.0.5.bb
index c14d6f3..7c1a267 100644
--- a/meta-raspberrypi/recipes-devtools/python/python3-adafruit-circuitpython-busdevice_5.0.5.bb
+++ b/meta-raspberrypi/recipes-devtools/python/python3-adafruit-circuitpython-busdevice_5.0.5.bb
@@ -3,7 +3,7 @@
 LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=6ec69d6e9e6c85adfb7799d7f8cf044e"
 
-SRC_URI = "git://github.com/adafruit/Adafruit_CircuitPython_BusDevice.git"
+SRC_URI = "git://github.com/adafruit/Adafruit_CircuitPython_BusDevice.git;branch=main"
 SRCREV = "1bfe8005293205e2f7b2cc498ab5a946f1133b40"
 
 S = "${WORKDIR}/git"