[PATCH 4.4 173/193] Documentation: Document array_index_nospec

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Mark Rutland (cherry picked from commit f84a56f73dddaeac1dba8045b007f742f61cd2da) Document the rationale and usage of the new array_index_nospec() helper. Signed-off-by:

[PATCH 4.4 173/193] Documentation: Document array_index_nospec

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Mark Rutland (cherry picked from commit f84a56f73dddaeac1dba8045b007f742f61cd2da) Document the rationale and usage of the new array_index_nospec() helper. Signed-off-by: Mark Rutland