build: Added build configs for newly supported platforms in tftf

This commit adds support for tftf build configs
for the following platforms

	* n1sdp
	* corstone1000
	* sgi575
	* tegra186
	* tegra194
	* tegra210

Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
Change-Id: I90d0dc996838557bc8603e7a1b2bbad32c7de004
12 files changed