EIP 1024 support

[btchip]

This adds two primitives getEIP1024PublicEncryptionKey and getEIP1024SharedSecret to the Ethereum application to support EIP 1024 (https://ethereum-magicians.org/t/eip-1024-cross-client-encrypt-decrypt/505), used by decentralized identity providers

[codecov]

Codecov Report

Merging #786 (9fe4f88) into master (c1e3c0e) will increase coverage by 0.26%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #786      +/-   ##
==========================================
+ Coverage   44.89%   45.15%   +0.26%     
==========================================
  Files          83       83              
  Lines        5030     5054      +24     
  Branches      892      894       +2     
==========================================
+ Hits         2258     2282      +24     
  Misses       2758     2758              
  Partials       14       14              

Impacted Files	Coverage Δ
packages/hw-app-eth/src/Eth.ts	79.57% <100.00%> (+1.09%)	⬆️

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[gre]

lgtm, new methods and commit with tests so it's safe to merge without impact 👍

Thanks