[sw,crypto] Formatting and naming fixes for API.
[sw,crypto] Formatting and naming fixes for API.

Incorporates comments from code review to address minor issues such as
capitalization, punctuation, and naming.

Signed-off-by: Jade Philipoom <23b156e860ef6ab36b055884a79031aa7723874a@google.com>

lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan