src/include: Remove spaces before ( and after )

Fix the following error messages found by checkpatch.pl:

ERROR: space prohibited after that open parenthesis '('
ERROR: space prohibited before that close parenthesis ')'

TEST=Build and run on Galileo Gen2

Change-Id: I2a9a0df640c51ff3efa83dde852dd6ff37ac3c06
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18651
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

src/include/device/resource.h

@@ -50,7 +50,7 @@ struct resource {
 #define IOINDEX_SUBTRACTIVE_LINK(IDX) (IDX & 0xff)
 
 #define IOINDEX(IDX, LINK) (((LINK) << 16) + IDX)
-#define IOINDEX_LINK(IDX) (( IDX & 0xf0000) >> 16)
+#define IOINDEX_LINK(IDX) ((IDX & 0xf0000) >> 16)
 #define IOINDEX_IDX(IDX) (IDX & 0xffff)
 
 /* Generic resource helper functions */