meta-raspberrypi: subtree update:bb974dc078..8cffbf5e85

Khem Raj (2):
      linux-raspberrypi: Update to 5.10.31
      raspberrypi-firmware: Update to include 5.10.31 updates

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: I2324da4978e7f463f1f489137fbb26d3d95644d8
diff --git a/meta-raspberrypi/recipes-bsp/common/raspberrypi-firmware.inc b/meta-raspberrypi/recipes-bsp/common/raspberrypi-firmware.inc
index 8bd93dd..6358fba 100644
--- a/meta-raspberrypi/recipes-bsp/common/raspberrypi-firmware.inc
+++ b/meta-raspberrypi/recipes-bsp/common/raspberrypi-firmware.inc
@@ -1,9 +1,9 @@
-RPIFW_DATE ?= "20210326"
-SRCREV ?= "20081d8e86119e95e516526700be62049850c01a"
+RPIFW_DATE ?= "20210421"
+SRCREV ?= "2ac4de4eaac5c1d1b25acec4a5e0a9fdb16f0c91"
 RPIFW_SRC_URI ?= "https://github.com/raspberrypi/firmware/archive/${SRCREV}.tar.gz;downloadfilename=raspberrypi-firmware-${SRCREV}.tar.gz"
 RPIFW_S ?= "${WORKDIR}/firmware-${SRCREV}"
 
 SRC_URI = "${RPIFW_SRC_URI}"
-SRC_URI[sha256sum] = "00bd758a1242f069682e1a98250362b45a8887aed98ee61dd50439e9a78fe463"
+SRC_URI[sha256sum] = "c687aa1b5127a8dc0773e8aefb1f009f24bf71ccb4c9e8b40a1d46cbbb7bee0c"
 
 PV = "${RPIFW_DATE}"