RFR: 8297851: Add devkit for RISC-V [v3]

[Magnus Ihse Bursie]

> We should add devkit support for linux/riscv64.

Magnus Ihse Bursie has updated the pull request incrementally with one additional commit since the last revision:

  Bump minor revision for jib package

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Changes:
  - all: https://git.openjdk.org/jdk/pull/11432/files
  - new: https://git.openjdk.org/jdk/pull/11432/files/faf7988e..9e0b4b96

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=11432&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11432&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/11432.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11432/head:pull/11432

PR: https://git.openjdk.org/jdk/pull/11432