src/lib: Clean up general issues found by checkpatch.pl

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

ERROR: Bad function definition - void init_timer() should probably be void init_timer(void)
ERROR: Prefixing 0x with decimal output is defective
WARNING: Comparisons should place the constant on the right side of the test
WARNING: char * array declaration might be better as static const

TEST=Build and run on Galileo Gen2

Change-Id: I9f618eea95e1f92fa34f4f89da27c0b16ae7f4ee
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18763
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/lib/edid.c

@@ -117,7 +117,7 @@ static int
 detailed_cvt_descriptor(unsigned char *x, int first)
 {
 	const unsigned char empty[3] = { 0, 0, 0 };
-	const char *names[] = { "50", "60", "75", "85" };
+	static const char *names[] = { "50", "60", "75", "85" };
 	int width = 0, height = 0;
 	int valid = 1;
 	int fifty = 0, sixty = 0, seventyfive = 0, eightyfive = 0, reduced = 0;