RFR: 8286058: AArch64: clarify types of calls [v4]

[Andrew Haley]

On Thu, 26 May 2022 07:37:29 GMT, Evgeny Astigeevich <duke at openjdk.java.net> wrote:

>> The PR clarifies the types of calls AArch64 OpenJDK uses. It cleans up far_call, far_jump and trampoline_call. It removes trampoline_call1 because its use cases are now supported by trampoline_call.
>> Tested a fastdebug build:
>> - `gtest`: Passed
>> - `tier1`...`tier3`: Passed
>
> Evgeny Astigeevich has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update comments; Remove code changes

Marked as reviewed by aph (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/8564