kernel: bump 5.15 to 5.15.112
Manually adjusted before running quilt due to new location in tree:
backport-5.15/780-v5.16-bus-mhi-pci_generic-Introduce-Sierra-EM919X-support.patch
backport-5.15/781-v6.1-bus-mhi-host-always-print-detected-modem-name.patch
pending-5.15/790-bus-mhi-core-add-SBL-state-callback.patch
All other patches automatically rebased.
Build system: x86_64
Build-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod
Run-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod
Signed-off-by: John Audia <therealgraysky@proton.me>