fs: Add TTY PM IOCTLs to compat table

Augment the compat ioctl table with entries for
PM control of TTY devices. These compat entries
were not present since other TTY/serial core drivers
were not using them.

Change-Id: I96a0e54c001d780a2a427380655f1fbb0091aef7
Signed-off-by: Naveen Kaje <nkaje@codeaurora.org>