arm64: Subscribe Microsoft Azure Cobalt 100 to erratum 3194386

Add the Microsoft Azure Cobalt 100 CPU to the list of CPUs suffering
from erratum 3194386 added in commit 75b3c43e ("arm64: errata:
Expand speculative SSBS workaround")

CC: Mark Rutland <mark.rutland@arm.com>
CC: James More <james.morse@arm.com>
CC: Will Deacon <will@kernel.org>
CC: stable@vger.kernel.org # 6.6+
Signed-off-by: Easwar Hariharan <eahariha@linux.microsoft.com>
Link: https://lore.kernel.org/r/20241003225239.321774-1-eahariha@linux.microsoft.com


Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>