Change license of string functions to MIT

Changed the remaining string functions that Arm published under BSD
license to the MIT license.
7 files changed
tree: 47f774b8dd3b7c81be71ddc0b902e7140bacdb81
  1. math/
  2. string/
  3. .gitignore
  4. config.mk.dist
  5. LICENSE
  6. Makefile
  7. README