ipa: add missing thread-safety annotations

The raspberrypi IPA is missing thread-safety annotations, which breaks
the build.

Add required thread-safety annotations.

../src/ipa/raspberrypi/controller/metadata.h:108:31: error: mutex
  'mutex_' is still held at the end of function [-Werror,-Wthread-safety-analysis]
        void lock() { mutex_.lock(); }
                                     ^
../src/ipa/raspberrypi/controller/metadata.h:108:23: note: mutex
  acquired here
        void lock() { mutex_.lock(); }
                             ^
../src/ipa/raspberrypi/controller/metadata.h:109:25: error: releasing
  mutex 'mutex_' that was not held [-Werror,-Wthread-safety-analysis]
        void unlock() { mutex_.unlock(); }
                               ^

Signed-off-by: Nicholas Roth <nicholas@rothemail.net>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

0 files changed, 0 insertions, 0 deletions