Since sili_get_ccb() can return NULL if there are no ccb's available, check for the result in sili_pmp_softreset() as is done for all other invocations of sili_get_ccb().  While here disambiguate the printf's being emitted when sili_get_ccb() returns NULL.
Since sili_get_ccb() can return NULL if there are no ccb's available,
check for the result in sili_pmp_softreset() as is done for all other
invocations of sili_get_ccb().  While here disambiguate the printf's
being emitted when sili_get_ccb() returns NULL.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars