Add hardfork meta after Istanbul (Berlin) (#2070)

* Add hardfork meta after Istanbul (Berlin?)

* Rename to EIP-2070

* Add discussion URL

* Add in tentatively accepted EIPs from Istanbul

EIPS/eip-2070.md

@@ -0,0 +1,60 @@
+---
+eip: 2070
+title: "Hardfork Meta: Berlin"
+author: Alex Beregszaszi (@axic)
+discussions-to: https://ethereum-magicians.org/t/hardfork-meta-eip-2070-berlin-discussion/3561
+type: Meta
+status: Draft
+created: 2019-05-20
+requires: 1679
+---
+
+## Abstract
+
+This meta-EIP specifies the changes included in the Ethereum hardfork named Berlin.
+
+## Specification
+
+- Codename: Berlin
+- Activation: TBD
+
+### Included EIPs
+
+- TBD
+
+### Accepted EIPs
+
+- TBD
+
+### Tentatively Accepted EIPs
+
+- [EIP-663](https://eips.ethereum.org/EIPS/eip-663): Unlimited SWAP and DUP instructions
+- [EIP-1057](https://eips.ethereum.org/EIPS/eip-1057): ProgPoW, a Programmatic
+  Proof-of-Work
+  - There is a
+    [pending audit](https://medium.com/ethereum-cat-herders/progpow-audit-goals-expectations-75bb902a1f01),
+    above and beyond standard security considerations, that should be evaluated
+    prior to inclusion.
+- [EIP-1380](https://eips.ethereum.org/EIPS/eip-1380): Reduced gas cost for call to self
+- [EIP-1702](https://eips.ethereum.org/EIPS/eip-1702): Generalized account versioning scheme
+- [EIP-1962](https://eips.ethereum.org/EIPS/eip-1962): EC arithmetic and pairings with runtime definitions
+  - replaces EIP-1829
+- [EIP-1985](https://eips.ethereum.org/EIPS/eip-1985): Sane limits for certain EVM parameters
+- [EIP-2045](https://eips.ethereum.org/EIPS/eip-2045): Particle gas costs for EVM opcodes
+- [EIP-2046](https://eips.ethereum.org/EIPS/eip-2046): Reduced gas cost for static calls made to precompiles
+
+### Proposed EIPs
+
+- TBD
+
+## Timeline
+
+- TBD
+
+## References
+
+- TBD
+
+## Copyright
+
+Copyright and related rights waived via [CC0](https://creativecommons.org/publicdomain/zero/1.0/).