timekeeping: remove unused {read,update}_persistent_clock

After arch/sh has removed the last reference to these functions,
we can remove them completely and just rely on the 64-bit time_t
based versions. This cleans up a rather ugly use of __weak
functions.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: John Stultz <john.stultz@linaro.org>
This commit is contained in:
Arnd Bergmann 2018-08-14 14:15:23 +02:00
commit 926617889d
3 changed files with 3 additions and 25 deletions