src/include: Open brace on same line as enum or struct

Fix the following errors and warning detected by checkpatch.pl:

ERROR: open brace '{' following enum go on the same line
ERROR: open brace '{' following struct go on the same line
ERROR: that open brace { should be on the previous line
WARNING: missing space after struct definition

TEST=Build and run on Galileo Gen2

Change-Id: I856235d0cc3a3e59376df52561b17b872b3416b2
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18653
Tested-by: build bot (Jenkins)
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

src/include/smbios.h

@@ -276,8 +276,7 @@ struct smbios_type2 {
 	char eos[2];
 } __attribute__((packed));
 
-enum
-{
+enum {
 	SMBIOS_ENCLOSURE_DESKTOP = 3,
 	SMBIOS_ENCLOSURE_NOTEBOOK = 9,
 };