[PATCH v3 18/22] time/posix-clock:Convert to the 64bit methods for k_clock and posix_clock_operations structure

This patch converts the posix clock operations over to the new methods with timespec64/itimerspec64 type to making them ready for 2038, and it is based on the ptp patch series. And also changes to the 64bit methods for k_clock structure, that converts the timespec/itimerspec type to

[PATCH v3 18/22] time/posix-clock:Convert to the 64bit methods for k_clock and posix_clock_operations structure

This patch converts the posix clock operations over to the new methods with timespec64/itimerspec64 type to making them ready for 2038, and it is based on the ptp patch series. And also changes to the 64bit methods for k_clock structure, that converts the timespec/itimerspec type to