trusty: Fix reported static check errors

Change-Id: I9f9a8a159b41be1c865a20801d03a1b2934c3cac
diff --git a/services/spd/trusty/generic-arm64-smcall.c b/services/spd/trusty/generic-arm64-smcall.c
index 7916fca..38da279 100644
--- a/services/spd/trusty/generic-arm64-smcall.c
+++ b/services/spd/trusty/generic-arm64-smcall.c
@@ -66,7 +66,7 @@
 			 void *handle,
 			 uint64_t flags)
 {
-	switch(smc_fid) {
+	switch (smc_fid) {
 	case SMC_FC_DEBUG_PUTC:
 		trusty_dputc(x1, is_caller_secure(flags));
 		SMC_RET1(handle, 0);