lib: os: cbprintf_packaged: update alignment for x86-32

The size of long double on x86-32 is 12 which is not
a power of 2, and this results in build error when it is
being used for alignment of buf32 in log_core.c.
So manually set it to 16.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
1 file changed