linux-raspberrypi: Drop local 5.10 recipes in favour of upstream

meta-raspberrypi now comes with this version already: 5.10. 5.10 in
oniro was an upgrade for dunfell but now that we move to newer layers,
we can drop it and use the latest in upstream.

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

meta-oniro-core/recipes-kernel/linux/linux-raspberrypi/android-drivers.cfg

-CONFIG_ANDROID=y
-
-#CONFIG_ANDROID_BINDERFS is not set
-CONFIG_ANDROID_BINDER_IPC=y
-CONFIG_ANDROID_BINDER_DEVICES="binder"
-
-CONFIG_ASHMEM=y
-

meta-oniro-core/recipes-kernel/linux/linux-raspberrypi/powersave.cfg

-CONFIG_SUSPEND=y
-CONFIG_SUSPEND_FREEZER=y
-CONFIG_HIBERNATE_CALLBACKS=y
-CONFIG_HIBERNATION=y
-CONFIG_PM_STD_PARTITION="/dev/mmcblk0p2"
-CONFIG_PM_SLEEP=y
-CONFIG_PM_SLEEP_SMP=y
-CONFIG_PM_AUTOSLEEP=y
-CONFIG_PM_WAKELOCKS=y
-CONFIG_PM_WAKELOCKS_LIMIT=100
-CONFIG_PM_WAKELOCKS_GC=y
-CONFIG_PM_GENERIC_DOMAINS_SLEEP=y
-CONFIG_ARCH_HIBERNATION_HEADER=y

meta-oniro-core/recipes-kernel/linux/linux-raspberrypi_5.10.bb

-LINUX_VERSION ?= "5.10.63"
-LINUX_RPI_BRANCH ?= "rpi-5.10.y"
-LINUX_RPI_KMETA_BRANCH ?= "yocto-5.10"
-
-SRCREV_machine = "4117cba235d24a7c4630dc38cb55cc80a04f5cf3"
-SRCREV_meta = "e0147386e9f3c4cabc6f6d256d457fd4e67eb221"
-
-require linux-raspberrypi_5.10.inc
-
-SRC_URI += "\
-    file://powersave.cfg \
-    file://android-drivers.cfg \
-    file://rauc.cfg \
-    "

meta-oniro-core/recipes-kernel/linux/linux-raspberrypi_5.10.inc

-FILESEXTRAPATHS_prepend := "${THISDIR}/linux-raspberrypi:"
-
-KMETA = "kernel-meta"
-
-SRC_URI = " \
-    git://github.com/raspberrypi/linux.git;name=machine;branch=${LINUX_RPI_BRANCH} \
-    git://git.yoctoproject.org/yocto-kernel-cache;type=kmeta;name=meta;branch=${LINUX_RPI_KMETA_BRANCH};destsuffix=${KMETA} \
-    "
-SRC_URI_remove = "file://rpi-kernel-misc.cfg"
-
-require recipes-kernel/linux/linux-raspberrypi.inc
-
-LIC_FILES_CHKSUM = "file://COPYING;md5=6bc538ed5bd9a7fc9398086aedcd7e46"
-
-KERNEL_EXTRA_ARGS_append_rpi = " DTC_FLAGS='-@ -H epapr'"