amlogic-meson64: Delete arch-armv8a.inc include
amlogic-meson64: Delete arch-armv8a.inc include

Each machine includes the correct tune file which inturn includes this
file anyway

Signed-off-by: Khem Raj <729d64b6f67515e258459a5f6d20ec88b2caf8df@gmail.com>

akuster/meta-odroid,akuster/meta-odroid,akuster/meta-odroid,akuster/meta-odroid