buildtools-extended-tarball: Add locale command
The eSDK installation code checks installed locales with the locale command which is
from glibc-utils. Add this so that we find the correct locales from the buildtools.
(From OE-Core rev: 7d35e4bc6ff94a2d03c48827d7d60a6855c9029d)
(From OE-Core rev: d99b6432decec0964ac0e08698abc782c9b114f5)
(From OE-Core rev: 3562a6848aa3e866ad8e2d3caed3211971817234)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>