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/edid.c b/src/lib/edid.c
index 4fb361a..7138b8b 100644
--- a/src/lib/edid.c
+++ b/src/lib/edid.c
@@ -381,7 +381,7 @@
 					c->has_valid_range_descriptor = 0;
 
 				printk(BIOS_SPEW, "Preferred aspect ratio: ");
-				switch((x[15] & 0xe0) >> 5) {
+				switch ((x[15] & 0xe0) >> 5) {
 				case 0x00: printk(BIOS_SPEW, "4:3"); break;
 				case 0x01: printk(BIOS_SPEW, "16:9"); break;
 				case 0x02: printk(BIOS_SPEW, "16:10"); break;
@@ -907,7 +907,7 @@
 	int conformant_extension = 0;
 	printk(BIOS_SPEW, "\n");
 
-	switch(x[0]) {
+	switch (x[0]) {
 	case 0x02:
 		printk(BIOS_SPEW, "CEA extension block\n");
 		extension_version(out, x);
@@ -1345,7 +1345,7 @@
 	 * by v1.3 and we are unlikely to use any EDID 2.0 panels, we ignore
 	 * that case now and can fix it when we need to use a real 2.0 panel.
 	 */
-	for(i = 128; i < size; i += 128)
+	for (i = 128; i < size; i += 128)
 		c.nonconformant_extension +=
 				parse_extension(out, &edid[i], &c);
 
@@ -1562,7 +1562,7 @@
 	edid_fb.bits_per_pixel = edid->framebuffer_bits_per_pixel;
 	edid_fb.reserved_mask_pos = 0;
 	edid_fb.reserved_mask_size = 0;
-	switch(edid->framebuffer_bits_per_pixel){
+	switch (edid->framebuffer_bits_per_pixel){
 	case 32:
 	case 24:
 		/* packed into 4-byte words */