tree c1615ea3e93ad6630a178a94710ef092f48cdde5
parent 84fc2959248364a81bce8b249ce19555f36457b2
author dp-arm <dimitris.papastamos@arm.com> 1493825454 +0100
committer dp-arm <dimitris.papastamos@arm.com> 1495632188 +0100

Switch default C environment from c99 to gnu99

Since TF uses GCC extensions, switch the C environment
from c99 to gnu99.

This change allows armclang to build TF.

Change-Id: Iaacb2726ba1458af59faf607ae9405d6eedb9962
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>