Rollup merge of #53506 - phungleson:fix-from-docs-atomic, r=KodrAus
Rollup merge of #53506 - phungleson:fix-from-docs-atomic, r=KodrAus

Documentation for impl From for AtomicBool and other Atomic types

As part of issue #51430 (cc @skade).

The impl is very simple, so not sure if we need to go into any details.

aidancully/rust,graydon/rust,GBGamer/rust,GBGamer/rust,aidancully/rust,GBGamer/rust,graydon/rust,graydon/rust,GBGamer/rust,GBGamer/rust,aidancully/rust,aidancully/rust,GBGamer/rust,graydon/rust,GBGamer/rust,aidancully/rust,graydon/rust,GBGamer/rust,graydon/rust,aidancully/rust