Add ecrecover syscall (backport #17720)

[mergify]

This is an automatic backport of pull request #17720 done by Mergify.
Cherry-pick of 1f288ce has failed:

On branch mergify/bp/v1.7/pr-17720
Your branch is up to date with 'origin/v1.7'.

You are currently cherry-picking commit 1f288ce52.
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  (use "git cherry-pick --skip" to skip this patch)
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Changes to be committed:
	modified:   programs/bpf/Cargo.toml
	modified:   programs/bpf/build.rs
	new file:   programs/bpf/c/src/secp256k1_recover/secp256k1_recover.c
	new file:   programs/bpf/rust/secp256k1_recover/Cargo.toml
	new file:   programs/bpf/rust/secp256k1_recover/src/lib.rs
	modified:   sdk/bpf/c/inc/solana_sdk.h
	modified:   sdk/program/src/lib.rs
	new file:   sdk/program/src/secp256k1_recover.rs
	modified:   sdk/src/feature_set.rs
	modified:   sdk/src/process_instruction.rs

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   Cargo.lock
	both modified:   programs/bpf/Cargo.lock
	both modified:   programs/bpf/tests/programs.rs
	both modified:   programs/bpf_loader/Cargo.toml
	both modified:   programs/bpf_loader/src/syscalls.rs
	both modified:   sdk/program/Cargo.toml

To fix up this pull request, you can check it out locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

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[mergify]

automerge label removed due to a CI failure

[mergify]

automerge label removed due to a CI failure

[jackcmay]

@Mergifyio rebase

[mergify]

Command rebase: success

Branch already up to date

[codecov]

Codecov Report

Merging #18500 (52a9e26) into v1.7 (ef20559) will decrease coverage by 0.2%.
The diff coverage is 80.0%.

@@            Coverage Diff            @@
##             v1.7   #18500     +/-   ##
=========================================
- Coverage    82.5%    82.2%   -0.3%     
=========================================
  Files         428      433      +5     
  Lines      120239   121523   +1284     
=========================================
+ Hits        99199    99992    +793     
- Misses      21040    21531    +491