drm/gma500: Replace deprecated strncpy() with strscpy()

strncpy() is deprecated for NUL-terminated destination buffers. Use
strscpy() instead and remove the manual NUL-termination.

Compile-tested only.

Link: KSPP/linux#90
Cc: linux-hardening@vger.kernel.org
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Kees Cook <kees@kernel.org>
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250225203932.334123-1-thorsten.blum@linux.dev

Author: toblux

drivers/gpu/drm/gma500/cdv_intel_dp.c

@@ -855,8 +855,7 @@ cdv_intel_dp_i2c_init(struct gma_connector *connector,
 
 	memset(&intel_dp->adapter, '\0', sizeof (intel_dp->adapter));
 	intel_dp->adapter.owner = THIS_MODULE;
-	strncpy (intel_dp->adapter.name, name, sizeof(intel_dp->adapter.name) - 1);
-	intel_dp->adapter.name[sizeof(intel_dp->adapter.name) - 1] = '\0';
+	strscpy(intel_dp->adapter.name, name);
 	intel_dp->adapter.algo_data = &intel_dp->algo;
 	intel_dp->adapter.dev.parent = connector->base.kdev;