add explanatory README.txt
authorLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Fri, 23 Apr 2021 09:45:13 +0000 (10:45 +0100)
committerLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Fri, 23 Apr 2021 09:45:13 +0000 (10:45 +0100)
commit991d1384d5c5e1bd6f4d1985a346b1671adb1913
tree388c2839d27b7a2ccb5af31e6606adb1206568e5
parent02844d9f4e06884463f77c29d1d13b98c3f42ba2
add explanatory README.txt
openpower/README.txt