* Rename Arm_AARCH64 to ARM_AARCH64
* Rename Arm_AARCH64_SRE to ARM_AARCH64_SRE
* Update cmake for ARM port folder capitalization
* Update in portable/CmakeLists.txt
* Use capitalization name in port README.md
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Co-authored-by: Ching-Hsin Lee <chinglee@amazon.com>