fix(sea_inject): setup missing bits on PSTATE for abort injection

Bits TCO, DIT, UAO, PAN, SSBS and BTYPE are missing from PSTATE
when injecting an abort to R-EL1.

Signed-off-by: Javier Almansa Sobrino <javier.almansasobrino@arm.com>
Change-Id: I027ef4cb5899bcb7e76072129ea98f15a5696e8f