Merge bitcoin/bitcoin#27387: depends, doc: Document NO_USDT option

c9aace2 depends, doc: Document `NO_USDT` option (Hennadii Stepanov)

Pull request description:

  A follow-up for bitcoin/bitcoin#23724.

  This also removes a stray `</dd>` from the `NO_NATPMP` docs.

ACKs for top commit:
  0xB10C:
    ACK c9aace2

Tree-SHA512: 44426f5b2bf9eaa3b8a6c54020d23c97ab04f3d75bfa93469c2c5d3bd512fc214d82652e4558d9ad33e2b2e3605991cdbf7779ba47b10a50385d4c962a598b60

Author: fanquake

depends/README.md

@@ -107,7 +107,8 @@ The following can be set when running make: `make FOO=bar`
 - `NO_BDB`: Don't download/build/cache BerkeleyDB
 - `NO_SQLITE`: Don't download/build/cache SQLite
 - `NO_UPNP`: Don't download/build/cache packages needed for enabling UPnP
-- `NO_NATPMP`: Don't download/build/cache packages needed for enabling NAT-PMP</dd>
+- `NO_NATPMP`: Don't download/build/cache packages needed for enabling NAT-PMP
+- `NO_USDT`: Don't download/build/cache packages needed for enabling USDT tracepoints
 - `ALLOW_HOST_PACKAGES`: Packages that are missed in dependencies (due to `NO_*` option or
   build script logic) are searched for among the host system packages using
   `pkg-config`. It allows building with packages of other (newer) versions