generic: rename backport patch 852

generic: rename backport patch 852

Rename 852-stable-bus-mhi-host-pci_generic-constify-modem_telit_fn980_.patch
to 852-v6.9-stable-bus-mhi-host-pci_generic-constify-modem_telit_fn980.patch
because it is used since kernel 6.9-rc1 (https://lore.kernel.org/lkml/Zfwv2y7P7BneKqMZ@kroah.com/).

Link: https://web.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-6.9.y&id=2ec11b5d6d900b17c7d001fbee4751fd2aa58917
Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
Link: https://github.com/openwrt/openwrt/pull/18237
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>