src/lib: Add space before (

Fix the following error detected by checkpatch.pl:

ERROR: space required before the open parenthesis '('

TEST=Build and run on Galileo Gen2

Change-Id: I8953fecbe75136ff989c9e3cf6c5e155dcee3c3b
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18698
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
diff --git a/src/lib/tpm2_tlcl.c b/src/lib/tpm2_tlcl.c
index 6c0cd6e..3d65a95 100644
--- a/src/lib/tpm2_tlcl.c
+++ b/src/lib/tpm2_tlcl.c
@@ -360,7 +360,7 @@
 		return TPM_E_NO_DEVICE;
 
 	/* Map TPM2 retrun codes into common vboot represenation. */
-	switch(response->hdr.tpm_code) {
+	switch (response->hdr.tpm_code) {
 	case TPM2_RC_SUCCESS:
 		return TPM_SUCCESS;
 	case TPM2_RC_NV_DEFINED: