Build: Fix tf-m-example-ns-app build for RP2350

The RP2350 platform NS build requires an ASM compiler, so ASM must be
specified as a language used by the project

Change-Id: Ifcdd7c30e15f215161f9510ee26c46d6829b2a22
Signed-off-by: William Vinnicombe <william.vinnicombe@raspberrypi.com>
(cherry picked from commit e3559431f8c0cd3d9505f7c1d4e8597c212614a3)
1 file changed