gt: Addjust coding style to be more kernel-like

Change-Id: I034c485bd4fc58079e40f6e673a92b6bf30b052a
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
gt: Adjust gitignore

Change-Id: I66263b4d6196871b57be362bc25a2aab2d8a2ba4
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>