linux-raspberrypi: Version frozen in 5.10.63

Video playback is broken for wpe in after commit
7968de3b7818b74acbd7b4c2fbdf3910e59d485a (master, honister):

    Date: Fri Oct 29 21:37:19 2021 +0100
    linux-raspberrypi: Bump 5.10 to 5.10.76

Upstream: (related)  raspberrypi/linux#4693

Change-type: patch

Author: psaavedra

recipes-kernel/linux/linux-raspberrypi_5.10.bbappend

@@ -0,0 +1,5 @@
+LINUX_VERSION = "5.10.63"
+
+SRCREV_machine = "4117cba235d24a7c4630dc38cb55cc80a04f5cf3"
+SRCREV_meta = "e0147386e9f3c4cabc6f6d256d457fd4e67eb221"
+