bootfiles: Bump to 20210914

This was done to support OTA which in turn takes advantage of the
tryboot functionality.

Fixes: https://git.ostc-eu.org/OSTC/OHOS/meta-ohos/-/issues/159



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

meta-ohos-core/recipes-bsp/bootfiles/bootfiles.bbappend

+RPIFW_DATE = "20210914"
+SRCREV = "d5d14f484cec739901a088a58eed62452b6dadeb"
+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 = "${RPIFW_SRC_URI}"
+SRC_URI[sha256sum] = "f5b3d9fa60afbc103b00bc7f5899ea49ef61d353b88624b42dbf7669446a44ac"
+
+PV = "${RPIFW_DATE}"