FP2-1667: Aligned ps_pic_pu to 4 bytes

Aligned ps_pic_pu to 4 bytes

stmia was resulting in SEGV_MAPERR when ps_pic_pu is not aligned to 4 bytes
Bugfix: 24686670, 21468583

Change-Id: I07672d4a790f73cf27964983350181e66edc4d57
(cherry picked from commit e8bfec1fa41eafa1fd8e05d0fdc53ea0f2379518)
2 files changed