Create sp-weights crate to store weight primitives (#12219)

* Create sp-weights crate to store weight primitives

* Fix templates

* Fix templates

* Fixes

* Fixes

* cargo fmt

* Fixes

* Fixes

* Use deprecated type alias instead of deprecated unit types

* Use deprecated subtraits instead of deprecated hollow new traits

* Fixes

* Allow deprecation in macro expansion

* Add missing where clause during call macro expansion

* cargo fmt

* Fixes

* cargo fmt

* Fixes

* Fixes

* Fixes

* Fixes

* Move FRAME-specific weight files back to frame_support

* Fixes

* Update frame/support/src/dispatch.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Update frame/support/src/dispatch.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Update frame/support/src/dispatch.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Add missing header

* Rewrite module docs

* Fixes

* Fixes

* Fixes

* Fixes

* cargo fmt

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

substrate/Cargo.lock

@@ -2293,6 +2293,7 @@ dependencies = [
  "sp-state-machine",
  "sp-std",
  "sp-tracing",
+ "sp-weights",
  "tt-call",
 ]
 
@@ -2390,6 +2391,7 @@ dependencies = [
  "sp-runtime",
  "sp-std",
  "sp-version",
+ "sp-weights",
  "substrate-test-runtime-client",
 ]
 
@@ -10010,6 +10012,7 @@ dependencies = [
  "sp-state-machine",
  "sp-std",
  "sp-tracing",
+ "sp-weights",
  "substrate-test-runtime-client",
  "zstd",
 ]
@@ -10315,6 +10318,21 @@ dependencies = [
  "wasmtime",
 ]
 
+[[package]]
+name = "sp-weights"
+version = "4.0.0"
+dependencies = [
+ "impl-trait-for-tuples",
+ "parity-scale-codec",
+ "scale-info",
+ "serde",
+ "smallvec",
+ "sp-arithmetic",
+ "sp-core",
+ "sp-debug-derive",
+ "sp-std",
+]
+
 [[package]]
 name = "spin"
 version = "0.5.2"