drivers/i2c/at24rf08c/lenovo_serials.c: Remove trailing whitespace

The trailing whitespace breaks the Git commit hook
`util/lint/lint-stable-003-wihitespace`. So remove it.

Change-Id: I70e4ac71529884a9a4fabf2aa9a4ea6e0323b9d4
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: http://review.coreboot.org/5092
Tested-by: build bot (Jenkins)
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>

src/drivers/i2c/at24rf08c/lenovo_serials.c

@@ -35,7 +35,7 @@ static void at24rf08c_read_string(u8 bank, u8 start, u8 len, char *result)
 		printk(BIOS_WARNING, "EEPROM not found\n");
 		memcpy(result, "*INVALID*", sizeof ("*INVALID*"));
 		return;
-	} 
+	}
 
 	for (i = 0; i < len; i++) {
 		int t;