[ARM][AArch64] Support for Cortex-A65 & A65AE, Neoverse E1 & N1
Add support for Cortex-A65, Cortex-A65AE, Neoverse E1 and Neoverse N1.
Neoverse E1 and Cortex-A65(&AE) only implement the AArch64 state of the
Arm architecture. Neoverse N1 implements both AArch32 and AArch64.
Patch by Diogo Sampaio and Pablo Barrio
Reviewers: samparker, LukeCheeseman, sbaranga, ostannard
Reviewed By: ostannard
Subscribers: ostannard, javed.absar, kristof.beyls, hiraditya, llvm-commits
Differential Revision: https://reviews.llvm.org/D64406