Restore lld parts of "Remove cortex-a53 linker workaround for new cpus."

https://android-review.googlesource.com/c/platform/build/soong/+/689585
added, but was skipped going into pi-dev-plus-aosp, as the pi-dev
version (which did not have these lld bits) was already merged there.
When pi-dev-plus-aosp was pushed to aosp-master, this got lost.

Merged-In is a random git_master change, since this needs to go
into pi-dev-plus-aosp too, but no further.

Bug: 78133793
Test: git diff aosp-master..master -- cc/config/arm64_device.go
Change-Id: Iea69a2c040d11249e43a76a78859944274ce6a92
Merged-In: I7799feac522a1097ec4271bd7868cd6bfe147ad9