arm_ffa: use debug logs

replace info logs with debug logs

Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
Cc: Tom Rini <trini@konsulko.com>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/firmware/arm-ffa/arm-ffa.c b/drivers/firmware/arm-ffa/arm-ffa.c
index 68df75b..ee0bf9a 100644
--- a/drivers/firmware/arm-ffa/arm-ffa.c
+++ b/drivers/firmware/arm-ffa/arm-ffa.c
@@ -42,7 +42,7 @@
 {
 	int ret;
 
-	log_info("Arm FF-A framework discovery\n");
+	log_debug("Arm FF-A framework discovery\n");
 
 	ret = ffa_get_version_hdlr(dev);
 	if (ret)