This resolves MISRA defects such as:
plat/common/plat_bl1_common.c:63:[MISRA C-2012 Rule 14.4 (required)]
The condition expression "1" does not have an essentially boolean type.
Change-Id: I679411980ad661191fbc834a44a5eca5494fd0e2
Signed-off-by: Jimmy Brisson <jimmy.brisson@arm.com>