Build: Ensure all *.patch files use Unix style.

- Git patch files are text files
- The line endings of the patches follow the Unix style, using LF (Line Feed).

The same attributes can already be found in TF-M:
43187bc2d4a8c0549a331167a3b8931db8bfcb01

Change-Id: Icd5422931fb1f01b3919f2e5d7f43acb874a71bc
Signed-off-by: David Vincze <david.vincze@arm.com>
1 file changed