feat(qemu): add "cortex-a710" cpu support

Add support to qemu "cortex-a710" cpu for "qemu" platform.

CPU is supported by qemu/virt only as qemu/sbsa-ref memory starts at
2^40 which is limit for Cortex-A710.

Switched 'qemu' platform to be built as armv8.5 to cover features of
new cpu core.

Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Change-Id: I035790eac41b2caf7f13167e53f48c16f0827754
1 file changed