refactor(cpus): reorder Cortex-A77 errata by ascending order

Errata report order is enforced to be in ascending order. To achieve
this with the errata framework this has to be done at the definition
level.

Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: Ica348d2c81e204eae2e08e9ccf677807e02efef9
(cherry picked from commit 99787a4c0d682f88276764259a7058be4860f160)
1 file changed