ath11k: Rename macro ARRAY_TO_STRING to PRINT_ARRAY_TO_BUF

Renaming of macro is done to describe the macro functionality
better as the macro functionality is modified in next patch-sets.
No functional changes are done.

Signed-off-by: Seevalamuthu Mariappan <seevalam@codeaurora.org>
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210913223148.208026-2-jouni@codeaurora.org