Amlogic 32-bit DT changes for v4.18, round 2
- remove MACH_MESON8B, only used for building DTs
* tag 'amlogic-dt-2' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
ARM: meson: merge Kconfig symbol MACH_MESON8B into MACH_MESON8
ARM: dts: meson: build the Meson8b .dtbs with MACH_MESON8