refactor(qemu): keep AArch64 cpu flags in one section

There is no need to have two "if" checks for same thing one after
another.

FGT, RNG, SVE, SME are aarch64 only flags.

Change-Id: I6e5850211c859dc7a4ccf6bc8dc6a8d600ffe692
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
1 file changed